diff --git a/config/sync/views.view.asset_distribution_downloads.yml b/config/sync/views.view.asset_distribution_downloads.yml
index 89dd4ce18b..d0473ada7e 100644
--- a/config/sync/views.view.asset_distribution_downloads.yml
+++ b/config/sync/views.view.asset_distribution_downloads.yml
@@ -449,6 +449,136 @@ display:
           hide_alter_empty: true
           link_to_entity: true
           plugin_id: entity_label
+        parent_entity_type:
+          id: parent_entity_type
+          table: joinup_download_event
+          field: parent_entity_type
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: ''
+          exclude: true
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: false
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          click_sort_column: value
+          type: string
+          settings:
+            link_to_entity: false
+          group_column: value
+          group_columns: {  }
+          group_rows: true
+          delta_limit: 0
+          delta_offset: 0
+          delta_reversed: false
+          delta_first_last: false
+          multi_type: separator
+          separator: ', '
+          field_api_classes: false
+          entity_type: download_event
+          entity_field: parent_entity_type
+          plugin_id: field
+        parent_entity_id:
+          id: parent_entity_id
+          table: joinup_download_event
+          field: parent_entity_id
+          relationship: none
+          group_type: group
+          admin_label: ''
+          label: 'Parent'
+          exclude: false
+          alter:
+            alter_text: false
+            text: ''
+            make_link: false
+            path: ''
+            absolute: false
+            external: false
+            replace_spaces: false
+            path_case: none
+            trim_whitespace: false
+            alt: ''
+            rel: ''
+            link_class: ''
+            prefix: ''
+            suffix: ''
+            target: ''
+            nl2br: false
+            max_length: 0
+            word_boundary: true
+            ellipsis: true
+            more_link: false
+            more_link_text: ''
+            more_link_path: ''
+            strip_tags: false
+            trim: false
+            preserve_tags: ''
+            html: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_empty: false
+          empty_zero: false
+          hide_alter_empty: true
+          click_sort_column: value
+          type: string
+          settings:
+            link_to_entity: false
+          group_column: value
+          group_columns: {  }
+          group_rows: true
+          delta_limit: 0
+          delta_offset: 0
+          delta_reversed: false
+          delta_first_last: false
+          multi_type: separator
+          separator: ', '
+          field_api_classes: false
+          entity_type: download_event
+          entity_field: parent_entity_id
+          plugin_id: field
         created:
           id: created
           table: joinup_download_event
diff --git a/tests/features/asset_distribution/track_download.feature b/tests/features/asset_distribution/track_download.feature
index bc77c3c137..76a6496165 100644
--- a/tests/features/asset_distribution/track_download.feature
+++ b/tests/features/asset_distribution/track_download.feature
@@ -110,7 +110,7 @@ Feature: Asset distribution editing.
     When I go to the "Winter of 95" release
     Then I should see the link "External" in the "i386" tile
 
-  Scenario: Tests the CSV download.
+  Scenario: Download a CSV export of the distributions download report.
     Given users:
       | Username | E-mail            |
       | user1    | user1@example.com |
@@ -118,11 +118,15 @@ Feature: Asset distribution editing.
     And the following solution:
       | title | Solution  |
       | state | validated |
+    And the following release:
+      | title         | Release 1 |
+      | is version of | Solution  |
+      | state         | validated |
     And the following distributions:
-      | title          | parent   | access url |
-      | Distribution 1 | Solution | text.pdf   |
-      | Distribution 2 | Solution | test.zip   |
-      | Distribution 3 | Solution | test1.zip  |
+      | title          | parent    | access url |
+      | Distribution 1 | Release 1 | text.pdf   |
+      | Distribution 2 | Solution  | test.zip   |
+      | Distribution 3 | Solution  | test1.zip  |
     And the following distribution download events:
       | distribution   | user                |
       | Distribution 1 | visitor@example.com |
@@ -139,9 +143,10 @@ Feature: Asset distribution editing.
     Then I should see the success message "Export complete. Download the file here if file is not automatically downloaded."
     And I should see the link "here"
     And the file downloaded from the "here" link contains the following strings:
-      | ID,User,Email,"File name",Distribution,Created                             |
-      | ,"Anonymous (not verified)",visitor@example.com,text.pdf,"Distribution 1", |
-      | ,user1,user1@example.com,text.pdf,"Distribution 1",                        |
-      | ,user2,user2@example.com,test.zip,"Distribution 2",                        |
-      | ,"Anonymous (not verified)",anon@example.com,test1.zip,"Distribution 3",   |
-      | ,user1,user1@example.com,test1.zip,"Distribution 3",                       |
+      | ID,User,Email,"File name",Distribution,Parent,Created                                  |
+      # The %title% variable will translate the title to the entity ID since that is what is exported in the CSV file.
+      | ,"Anonymous (not verified)",visitor@example.com,text.pdf,"Distribution 1",%Release 1%, |
+      | ,user1,user1@example.com,text.pdf,"Distribution 1",%Release 1%,                        |
+      | ,user2,user2@example.com,test.zip,"Distribution 2",%Solution%,                         |
+      | ,"Anonymous (not verified)",anon@example.com,test1.zip,"Distribution 3",%Solution%,    |
+      | ,user1,user1@example.com,test1.zip,"Distribution 3",%Solution%,                        |
diff --git a/tests/features/bootstrap/FeatureContext.php b/tests/features/bootstrap/FeatureContext.php
index 074c50bba8..d5163322fb 100644
--- a/tests/features/bootstrap/FeatureContext.php
+++ b/tests/features/bootstrap/FeatureContext.php
@@ -2006,11 +2006,20 @@ public function assertDownloadedFileContainsStrings(string $link_label, TableNod
       throw new \Exception("The downloaded file has no content.");
     }
 
-    $not_found = array_filter($strings_table->getColumn(0), function (string $text) use ($content): bool {
-      return strpos($content, $text) === FALSE;
-    });
+    $not_found = [];
+    foreach ($strings_table->getColumn(0) as $text) {
+      $matches = [];
+      if (preg_match('/^.*%(.*?)%.*$/', $text, $matches)) {
+        $entity = $this->getEntityByLabel('rdf_entity', $matches[1]);
+        $text = str_replace("%{$matches[1]}%", $entity->id(), $text);
+      }
 
-    if ($not_found) {
+      if (strpos($content, $text) === FALSE) {
+        $not_found[] = $text;
+      }
+    }
+
+    if (!empty($not_found)) {
       throw new ExpectationFailedException("Following strings were not found in the downloaded file:\n- " . implode("\n- ", $not_found));
     }
   }
diff --git a/tests/src/Context/AssetDistributionContext.php b/tests/src/Context/AssetDistributionContext.php
index a3ac36948b..f2ba05671f 100644
--- a/tests/src/Context/AssetDistributionContext.php
+++ b/tests/src/Context/AssetDistributionContext.php
@@ -483,15 +483,19 @@ public function clickLinkInCompactDistribution(string $link, string $heading): v
    */
   public function downloadEvents(TableNode $table): void {
     foreach ($table->getColumnsHash() as $row) {
+      /** @var \Drupal\asset_distribution\Entity\AssetDistributionInterface $distribution */
       $distribution = $this->getRdfEntityByLabel($row['distribution'], 'asset_distribution');
-      /** @var \Drupal\file\FileInterface $file */
       $file = FileUrlHandler::urlToFile($distribution->get('field_ad_access_url')->target_id);
       $account = \Drupal::service('email.validator')->isValid($row['user']) ? new AnonymousUserSession() : user_load_by_name($row['user']);
       $mail = $account->isAnonymous() ? $row['user'] : $account->getEmail();
+
+      $parent = $distribution->getParent();
       $entity = DownloadEvent::create([
         'uid' => $account->id(),
         'mail' => $mail,
         'file' => $file->id(),
+        'parent_entity_type' => $parent->getEntityTypeId(),
+        'parent_entity_id' => $parent->id(),
       ]);
       $entity->save();
       $this->entities['download_event'][$entity->id()] = $entity;
diff --git a/web/modules/custom/asset_distribution/asset_distribution.module b/web/modules/custom/asset_distribution/asset_distribution.module
index 9f9b2265aa..06ca4bf71c 100644
--- a/web/modules/custom/asset_distribution/asset_distribution.module
+++ b/web/modules/custom/asset_distribution/asset_distribution.module
@@ -309,3 +309,38 @@ function asset_distribution_rdf_entity_delete(RdfInterface $distribution) {
   }
 
 }
+
+/**
+ * Implements hook_preprocess_HOOK().
+ */
+function asset_distribution_preprocess_views_view_field(&$variables) {
+  $view = $variables['view'];
+  $field = $variables['field'];
+  if ($view->storage->id() !== 'asset_distribution_downloads' || $view->current_display !== 'page' || $field->field !== 'parent_entity_id') {
+    return;
+  }
+
+  /** @var \Drupal\asset_distribution\Entity\DownloadEvent $download_event */
+  $download_event = $variables['row']->_entity;
+  if ($download_event->get('parent_entity_type')->isEmpty() || $download_event->get('parent_entity_id')->isEmpty()) {
+    return;
+  }
+
+  // Notice: This code works for any entity type, though it is only meant for
+  // distributions so it might be too much.
+  $entity_type = $download_event->get('parent_entity_type')->value;
+  $entity_id = $download_event->get('parent_entity_id')->value;
+
+  try {
+    $storage = $storages[$entity_type] ?? \Drupal::entityTypeManager()->getStorage($entity_type);
+  }
+  catch (Exception $exception) {
+    return;
+  }
+
+  $storages[$entity_type] = $storage;
+  $entity = $storage->load($entity_id);
+  if (!empty($entity)) {
+    $variables['output'] = $entity->toLink($entity->label());
+  }
+}
diff --git a/web/modules/custom/asset_distribution/src/Controller/DownloadTrackingController.php b/web/modules/custom/asset_distribution/src/Controller/DownloadTrackingController.php
index 9d0cfd055b..d2ba897c0d 100644
--- a/web/modules/custom/asset_distribution/src/Controller/DownloadTrackingController.php
+++ b/web/modules/custom/asset_distribution/src/Controller/DownloadTrackingController.php
@@ -12,7 +12,9 @@
 use Drupal\Core\Session\AccountInterface;
 use Drupal\asset_distribution\Form\AnonymousDownloadForm;
 use Drupal\file\FileInterface;
+use Drupal\file\FileUsage\FileUsageInterface;
 use Drupal\file_url\FileUrlHandler;
+use Drupal\sparql_entity_storage\SparqlEntityStorageInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -49,10 +51,17 @@ class DownloadTrackingController extends ControllerBase {
    */
   protected $sparqlStorage;
 
+  /**
+   * The file usage service.
+   *
+   * @var \Drupal\file\FileUsage\FileUsageInterface
+   */
+  protected $fileUsage;
+
   /**
    * Instantiates a new DownloadTrackingController object.
    *
-   * @param \Drupal\Core\Entity\ContentEntityStorageInterface $sparql_storage
+   * @param \Drupal\sparql_entity_storage\SparqlEntityStorageInterface $sparql_storage
    *   The RDF entity storage.
    * @param \Drupal\Core\Entity\ContentEntityStorageInterface $event_storage
    *   The download event entity storage.
@@ -62,13 +71,16 @@ class DownloadTrackingController extends ControllerBase {
    *   The form builder.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current logged in user.
+   * @param \Drupal\file\FileUsage\FileUsageInterface $file_usage
+   *   The file usage service.
    */
-  public function __construct(ContentEntityStorageInterface $sparql_storage, ContentEntityStorageInterface $event_storage, FileUrlHandler $file_url_handler, FormBuilderInterface $form_builder, AccountInterface $current_user) {
+  public function __construct(SparqlEntityStorageInterface $sparql_storage, ContentEntityStorageInterface $event_storage, FileUrlHandler $file_url_handler, FormBuilderInterface $form_builder, AccountInterface $current_user, FileUsageInterface $file_usage) {
     $this->sparqlStorage = $sparql_storage;
     $this->eventStorage = $event_storage;
     $this->fileUrlHandler = $file_url_handler;
     $this->formBuilder = $form_builder;
     $this->currentUser = $current_user;
+    $this->fileUsage = $file_usage;
   }
 
   /**
@@ -80,7 +92,8 @@ public static function create(ContainerInterface $container) {
       $container->get('entity_type.manager')->getStorage('download_event'),
       $container->get('file_url.handler'),
       $container->get('form_builder'),
-      $container->get('current_user')
+      $container->get('current_user'),
+      $container->get('file.usage')
     );
   }
 
@@ -124,9 +137,26 @@ protected function trackAnonymousDownload(FileInterface $file) {
    *   The generated response.
    */
   protected function trackAuthenticatedDownload(FileInterface $file) {
+    $usages = $this->fileUsage->listUsage($file);
+
+    // Normally, only one distribution is allowed to use a file and only
+    // distributions call this code.
+    if (empty($usages['file']['rdf_entity'])) {
+      throw new \RuntimeException('No distributions were found using the file with ID ' . $file->id());
+    }
+    if (count($usages['file']['rdf_entity']) > 1) {
+      throw new \RuntimeException('More than one distributions were found for the file with ID ' . $file->id());
+    }
+    $distribution = $this->sparqlStorage->load(key($usages['file']['rdf_entity']));
+
+    /** @var \Drupal\solution\Entity\SolutionInterface|\Drupal\asset_release\Entity\AssetReleaseInterface $parent */
+    $parent = $distribution->getParent();
+
     $event = $this->eventStorage->create([
       'uid' => $this->currentUser->id(),
       'file' => $file->id(),
+      'parent_entity_type' => $parent->getEntityTypeId(),
+      'parent_entity_id' => $parent->id(),
     ]);
     $event->save();
 
diff --git a/web/modules/custom/asset_distribution/src/Entity/AssetDistribution.php b/web/modules/custom/asset_distribution/src/Entity/AssetDistribution.php
index d0aa76a950..a729327595 100644
--- a/web/modules/custom/asset_distribution/src/Entity/AssetDistribution.php
+++ b/web/modules/custom/asset_distribution/src/Entity/AssetDistribution.php
@@ -36,12 +36,12 @@ class AssetDistribution extends Rdf implements AssetDistributionInterface {
   /**
    * {@inheritdoc}
    */
-  public function getParent() {
+  public function getParent(): DistributionsParentInterface {
     /** @var \Drupal\asset_distribution\DistributionParentFieldItemList $field */
     $field = $this->get('parent');
 
     /** @var \Drupal\asset_release\Entity\AssetReleaseInterface|\Drupal\solution\Entity\SolutionInterface $parent */
-    if ($field->isEmpty() || !($parent = $field->entity)) {
+    if ($field->isEmpty() || !($parent = $field->entity) || !$parent instanceof DistributionsParentInterface) {
       // During normal operation every distribution should have a parent entity,
       // so the only way a parent can be missing is because of an unexpected
       // condition occurring at runtime, for example if a data store goes
diff --git a/web/modules/custom/asset_distribution/src/Entity/AssetDistributionInterface.php b/web/modules/custom/asset_distribution/src/Entity/AssetDistributionInterface.php
index f1b85cd333..e53ba04c99 100644
--- a/web/modules/custom/asset_distribution/src/Entity/AssetDistributionInterface.php
+++ b/web/modules/custom/asset_distribution/src/Entity/AssetDistributionInterface.php
@@ -17,7 +17,7 @@ interface AssetDistributionInterface extends RdfInterface, CollectionContentInte
   /**
    * Return the distribution's parent, either a release or a solution.
    *
-   * @return \Drupal\asset_release\Entity\AssetReleaseInterface|\Drupal\solution\Entity\SolutionInterface
+   * @return \Drupal\asset_distribution\Entity\DistributionsParentInterface
    *   The parent entity, either a release or a solution.
    *
    * @throws \Drupal\asset_distribution\Exception\MissingDistributionParentException
@@ -26,7 +26,7 @@ interface AssetDistributionInterface extends RdfInterface, CollectionContentInte
    *   need to catch this exception. This will only be thrown in case something
    *   is seriously wrong, e.g. if the database is down.
    */
-  public function getParent();
+  public function getParent(): DistributionsParentInterface;
 
   /**
    * Checks whether the distribution parent is a solution rather than a release.
diff --git a/web/modules/custom/asset_distribution/src/Entity/DistributionsParentInterface.php b/web/modules/custom/asset_distribution/src/Entity/DistributionsParentInterface.php
index 0c2cae8919..29a5202f29 100644
--- a/web/modules/custom/asset_distribution/src/Entity/DistributionsParentInterface.php
+++ b/web/modules/custom/asset_distribution/src/Entity/DistributionsParentInterface.php
@@ -4,10 +4,12 @@
 
 namespace Drupal\asset_distribution\Entity;
 
+use Drupal\Core\Entity\ContentEntityInterface;
+
 /**
  * Bundle class for content having distributions as children.
  */
-interface DistributionsParentInterface {
+interface DistributionsParentInterface extends ContentEntityInterface {
 
   /**
    * Returns the child distribution IDs.
diff --git a/web/modules/custom/asset_distribution/src/Entity/DownloadEvent.php b/web/modules/custom/asset_distribution/src/Entity/DownloadEvent.php
index 6cafd407a8..db04919f08 100644
--- a/web/modules/custom/asset_distribution/src/Entity/DownloadEvent.php
+++ b/web/modules/custom/asset_distribution/src/Entity/DownloadEvent.php
@@ -59,6 +59,16 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setSetting('target_type', 'file')
       ->setRequired(TRUE);
 
+    $fields['parent_entity_type'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Parent entity type'))
+      ->setDescription(t('The solution or release that the distribution belongs to.'))
+      ->setRequired(FALSE);
+
+    $fields['parent_entity_id'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Parent entity ID'))
+      ->setDescription(t('The entity ID of the solution or release that the distribution belongs to.'))
+      ->setRequired(FALSE);
+
     return $fields;
   }
 
diff --git a/web/modules/custom/asset_distribution/src/Form/AnonymousDownloadForm.php b/web/modules/custom/asset_distribution/src/Form/AnonymousDownloadForm.php
index 442d77d7e2..73889e74b0 100644
--- a/web/modules/custom/asset_distribution/src/Form/AnonymousDownloadForm.php
+++ b/web/modules/custom/asset_distribution/src/Form/AnonymousDownloadForm.php
@@ -13,6 +13,8 @@
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Url;
 use Drupal\file\FileInterface;
+use Drupal\file\FileUsage\FileUsageInterface;
+use Drupal\sparql_entity_storage\SparqlEntityStorageInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 
@@ -21,6 +23,13 @@
  */
 class AnonymousDownloadForm extends FormBase {
 
+  /**
+   * The RDF entity storage.
+   *
+   * @var \Drupal\Core\Entity\ContentEntityStorageInterface
+   */
+  protected $sparqlStorage;
+
   /**
    * The download_event entity storage.
    *
@@ -28,6 +37,13 @@ class AnonymousDownloadForm extends FormBase {
    */
   protected $eventStorage;
 
+  /**
+   * The file usage service.
+   *
+   * @var \Drupal\file\FileUsage\FileUsageInterface
+   */
+  protected $fileUsage;
+
   /**
    * The file being downloaded.
    *
@@ -38,11 +54,17 @@ class AnonymousDownloadForm extends FormBase {
   /**
    * Instantiates a new AnonymousDownloadForm object.
    *
+   * @param \Drupal\sparql_entity_storage\SparqlEntityStorageInterface $sparql_storage
+   *   The RDF entity storage.
    * @param \Drupal\Core\Entity\ContentEntityStorageInterface $event_storage
    *   The download event entity storage.
+   * @param \Drupal\file\FileUsage\FileUsageInterface $file_usage
+   *   The file usage service.
    */
-  public function __construct(ContentEntityStorageInterface $event_storage) {
+  public function __construct(SparqlEntityStorageInterface $sparql_storage, ContentEntityStorageInterface $event_storage, FileUsageInterface $file_usage) {
+    $this->sparqlStorage = $sparql_storage;
     $this->eventStorage = $event_storage;
+    $this->fileUsage = $file_usage;
   }
 
   /**
@@ -50,7 +72,9 @@ public function __construct(ContentEntityStorageInterface $event_storage) {
    */
   public static function create(ContainerInterface $container) {
     return new static(
-      $container->get('entity_type.manager')->getStorage('download_event')
+      $container->get('entity_type.manager')->getStorage('rdf_entity'),
+      $container->get('entity_type.manager')->getStorage('download_event'),
+      $container->get('file.usage')
     );
   }
 
@@ -119,10 +143,26 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       throw new BadRequestHttpException();
     }
 
+    $usages = $this->fileUsage->listUsage($this->file);
+
+    // Normally, only one distribution is allowed to use a file and only
+    // distributions call this code.
+    if (empty($usages['file']['rdf_entity'])) {
+      throw new \RuntimeException('No distributions were found using the file with ID ' . $file->id());
+    }
+    if (count($usages['file']['rdf_entity']) > 1) {
+      throw new \RuntimeException('More than one distributions were found for the file with ID ' . $file->id());
+    }
+    $distribution = $this->sparqlStorage->load(key($usages['file']['rdf_entity']));
+
+    /** @var \Drupal\solution\Entity\SolutionInterface|\Drupal\asset_release\Entity\AssetReleaseInterface $parent */
+    $parent = $distribution->getParent();
     $event = $this->eventStorage->create([
       'uid' => 0,
       'mail' => $form_state->getValue('email'),
       'file' => $this->file->id(),
+      'parent_entity_type' => $parent->getEntityTypeId(),
+      'parent_entity_id' => $parent->id(),
     ]);
     $event->save();
 
diff --git a/web/modules/custom/joinup_core/joinup_core.deploy.php b/web/modules/custom/joinup_core/joinup_core.deploy.php
index 956869185a..0f6d0b1f0f 100644
--- a/web/modules/custom/joinup_core/joinup_core.deploy.php
+++ b/web/modules/custom/joinup_core/joinup_core.deploy.php
@@ -14,6 +14,8 @@
 
 declare(strict_types = 1);
 
+use Drupal\asset_distribution\Entity\DownloadEvent;
+
 /**
  * Switch the filter format of the collection abstract to basic HTML.
  */
@@ -42,3 +44,50 @@ function joinup_core_deploy_0107000(array &$sandbox): string {
 
   return "Processed {$sandbox['processed']} out of {$sandbox['total']}";
 }
+
+/**
+ * Fill the parent of the distribution downloads.
+ */
+function joinup_core_deploy_0107001(array &$sandbox): string {
+  if (empty($sandbox['entity_ids'])) {
+    $sandbox['entity_ids'] = \Drupal::database()->query('SELECT `id` FROM joinup_download_event')->fetchCol();
+    $sandbox['progress'] = 0;
+    $sandbox['max'] = count($sandbox['entity_ids']);
+  }
+
+  $file_usage = \Drupal::getContainer()->get('file.usage');
+  $sparql_storage = \Drupal::entityTypeManager()->getStorage('rdf_entity');
+  $entity_ids = array_splice($sandbox['entity_ids'], 0, 100);
+  /** @var \Drupal\asset_distribution\Entity\DownloadEvent $download_event */
+  foreach (DownloadEvent::loadMultiple($entity_ids) as $download_event) {
+    $file = $download_event->file->entity;
+    if (empty($file)) {
+      continue;
+    }
+
+    $usages = $file_usage->listUsage($file);
+    if (empty($usages['file']['rdf_entity'])) {
+      continue;
+    }
+    $distribution = $sparql_storage->load(key($usages['file']['rdf_entity']));
+    if (empty($distribution)) {
+      continue;
+    }
+
+    try {
+      $parent = $distribution->getParent();
+    }
+    catch (\Exception $e) {
+      // We don't want to force anything for old records.
+      continue;
+    }
+
+    $download_event->set('parent_entity_type', 'rdf_entity');
+    $download_event->set('parent_entity_id', $parent->id());
+    $download_event->save();
+  }
+
+  $sandbox['progress'] += count($entity_ids);
+  $sandbox['#finished'] = (float) $sandbox['progress'] / (float) $sandbox['max'];
+  return "Completed {$sandbox['progress']} out of {$sandbox['max']}.";
+}
diff --git a/web/modules/custom/joinup_core/joinup_core.install b/web/modules/custom/joinup_core/joinup_core.install
index 4f923d06da..d54d5c7709 100644
--- a/web/modules/custom/joinup_core/joinup_core.install
+++ b/web/modules/custom/joinup_core/joinup_core.install
@@ -91,3 +91,21 @@ function joinup_core_requirements($phase): array {
 
   return $requirements;
 }
+
+/**
+ * Install new fields in the download event entity.
+ */
+function joinup_core_update_0107000(array &$sandbox): void {
+  $update_manager = \Drupal::entityDefinitionUpdateManager();
+  $base_fields = \Drupal::getContainer()->get('entity_field.manager')->getBaseFieldDefinitions('download_event');
+
+  $fields = [
+    'parent_entity_type',
+    'parent_entity_id',
+  ];
+
+  foreach ($fields as $field) {
+    $storage = $base_fields[$field]->getFieldStorageDefinition();
+    $update_manager->installFieldStorageDefinition($field, 'download_event', 'download_event', $storage);
+  }
+}