diff --git a/lib/Models/Newsletter.php b/lib/Models/Newsletter.php
index 634abb2b57..6d9bdbfa2e 100644
--- a/lib/Models/Newsletter.php
+++ b/lib/Models/Newsletter.php
@@ -94,62 +94,111 @@ class Newsletter extends Model {
 
   function trash() {
     // trash queue associations
-    SendingQueue::rawExecute(
-      'UPDATE `' . SendingQueue::$_table . '` ' .
-      'SET `deleted_at` = NOW() ' .
-      'WHERE `newsletter_id` = ' . $this->id
-    );
+    $children = $this->children()->select('id')->findArray();
+    if($children) {
+      $this->children()->rawExecute(
+        'UPDATE `' . self::$_table . '` ' .
+        'SET `deleted_at` = NOW() ' .
+        'WHERE `parent_id` = ' . $this->id
+      );
+      SendingQueue::rawExecute(
+        'UPDATE `' . SendingQueue::$_table . '` ' .
+        'SET `deleted_at` = NOW() ' .
+        'WHERE `newsletter_id` IN (' . join(',', array_merge(Helpers::flattenArray($children), array($this->id))) . ')'
+      );
+    } else {
+      SendingQueue::rawExecute(
+        'UPDATE `' . SendingQueue::$_table . '` ' .
+        'SET `deleted_at` = NOW() ' .
+        'WHERE `newsletter_id` = ' . $this->id
+      );
+    }
 
     return parent::trash();
   }
 
   static function bulkTrash($orm) {
-    // bulk trash queue associations
+    // bulk trash queue and notification history associations
     parent::bulkAction($orm, function($ids) {
-      SendingQueue::rawExecute(join(' ', array(
-        'UPDATE `' . SendingQueue::$_table . '`',
-        'SET `deleted_at` = NOW()',
-        'WHERE `newsletter_id` IN (' . rtrim(str_repeat('?,', count($ids)), ',') . ')'
-      )),
-      $ids
-      );
+      $children = Newsletter::whereIn('parent_id', $ids)->select('id')->findArray();
+      if($children) {
+        Newsletter::rawExecute(
+          'UPDATE `' . Newsletter::$_table . '` ' .
+          'SET `deleted_at` = NOW() ' .
+          'WHERE `parent_id` IN (' . join(',', Helpers::flattenArray($ids)) . ')'
+        );
+        SendingQueue::rawExecute(
+          'UPDATE `' . SendingQueue::$_table . '` ' .
+          'SET `deleted_at` = NOW() ' .
+          'WHERE `newsletter_id` IN (' . join(',', array_merge(Helpers::flattenArray($children), $ids)) . ')'
+        );
+      } else {
+        SendingQueue::rawExecute(
+          'UPDATE `' . SendingQueue::$_table . '` ' .
+          'SET `deleted_at` = NOW() ' .
+          'WHERE `newsletter_id` IN (' . join(',', Helpers::flattenArray($ids)) . ')'
+        );
+      }
     });
 
     return parent::bulkTrash($orm);
   }
 
   function delete() {
-    // delete segment associations
-    $this->segmentRelations()->deleteMany();
-    // delete queue associations
-    $this->queue()->deleteMany();
+    // delete queue, notification history and segment associations
+    $children = $this->children()->select('id')->findArray();
+    if($children) {
+      $children = Helpers::flattenArray($children);
+      $this->children()->deleteMany();
+      SendingQueue::whereIn('newsletter_id', array_merge($children, array($this->id)))->deleteMany();
+      NewsletterSegment::whereIn('newsletter_id', array_merge($children, array($this->id)))->deleteMany();
+    } else {
+      $this->queue()->deleteMany();
+      $this->segmentRelations()->deleteMany();
+    }
 
     return parent::delete();
   }
 
   static function bulkDelete($orm) {
-    // bulk delete segment associations
+    // bulk delete queue, notification history and segment associations
     parent::bulkAction($orm, function($ids) {
-      NewsletterSegment::whereIn('newsletter_id', $ids)
-        ->deleteMany();
-    });
-
-    // bulk delete queue associations
-    parent::bulkAction($orm, function($ids) {
-      SendingQueue::whereIn('newsletter_id', $ids)
-        ->deleteMany();
+      $children = Newsletter::whereIn('parent_id', $ids)->select('id')->findArray();
+      if($children) {
+        $children = Helpers::flattenArray($children);
+        Newsletter::whereIn('parent_id', $ids)->deleteMany();
+        SendingQueue::whereIn('newsletter_id', array_merge($children, $ids))->deleteMany();
+        NewsletterSegment::whereIn('newsletter_id', array_merge($children, $ids))->deleteMany();
+      } else {
+        SendingQueue::whereIn('newsletter_id', $ids)->deleteMany();
+        NewsletterSegment::whereIn('newsletter_id', $ids)->deleteMany();
+      }
     });
 
     return parent::bulkDelete($orm);
   }
 
   function restore() {
-    // restore trashed queue associations
-    SendingQueue::rawExecute(
-      'UPDATE `' . SendingQueue::$_table . '` ' .
-      'SET `deleted_at` = null ' .
-      'WHERE `newsletter_id` = ' . $this->id
-    );
+    // restore trashed queue and notification history associations
+    $children = $this->children()->select('id')->findArray();
+    if($children) {
+      $this->children()->rawExecute(
+        'UPDATE `' . self::$_table . '` ' .
+        'SET `deleted_at` = null ' .
+        'WHERE `parent_id` = ' . $this->id
+      );
+      SendingQueue::rawExecute(
+        'UPDATE `' . SendingQueue::$_table . '` ' .
+        'SET `deleted_at` = null ' .
+        'WHERE `newsletter_id` IN (' . join(',', array_merge(Helpers::flattenArray($children), array($this->id))) . ')'
+      );
+    } else {
+      SendingQueue::rawExecute(
+        'UPDATE `' . SendingQueue::$_table . '` ' .
+        'SET `deleted_at` = null ' .
+        'WHERE `newsletter_id` = ' . $this->id
+      );
+    }
 
     if($this->status == self::STATUS_SENDING) {
       $this->set('status', self::STATUS_DRAFT);
@@ -159,13 +208,27 @@ class Newsletter extends Model {
   }
 
   static function bulkRestore($orm) {
-    // bulk restore trashed queue associations
+    // bulk restore trashed queue and notification history associations
     parent::bulkAction($orm, function($ids) {
-      SendingQueue::whereIn('newsletter_id', $ids)
-        ->whereNotNull('deleted_at')
-        ->findResultSet()
-        ->set('deleted_at', null)
-        ->save();
+      $children = Newsletter::whereIn('parent_id', $ids)->select('id')->findArray();
+      if($children) {
+        Newsletter::whereIn('parent_id', $ids)
+          ->whereNotNull('deleted_at')
+          ->findResultSet()
+          ->set('deleted_at', null)
+          ->save();
+        SendingQueue::whereIn('newsletter_id', Helpers::flattenArray($children))
+          ->whereNotNull('deleted_at')
+          ->findResultSet()
+          ->set('deleted_at', null)
+          ->save();
+      } else {
+        SendingQueue::whereIn('newsletter_id', $ids)
+          ->whereNotNull('deleted_at')
+          ->findResultSet()
+          ->set('deleted_at', null)
+          ->save();
+      }
     });
 
     parent::bulkAction($orm, function($ids) {
diff --git a/tests/unit/Models/NewsletterTest.php b/tests/unit/Models/NewsletterTest.php
index b3a124b7bd..9310eeeb82 100644
--- a/tests/unit/Models/NewsletterTest.php
+++ b/tests/unit/Models/NewsletterTest.php
@@ -459,6 +459,39 @@ class NewsletterTest extends MailPoetTest {
     expect($newsletter_segments)->isEmpty();
   }
 
+  function testItDeletesChildrenSegmentAndQueueAssociationsWhenParentNewsletterIsDeleted() {
+    $parent_newsletter = $this->newsletter;
+    // create multiple children (post notification history) newsletters and sending queues
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $parent_newsletter->id
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->save();
+      $newsletter_segment = NewsletterSegment::create();
+      $newsletter_segment->newsletter_id = $newsletter->id;
+      $newsletter_segment->segment_id = 1;
+      $newsletter_segment->save();
+    }
+
+    // make sure relations exist
+    // 1 parent newsletter/queues, 2 parent segments and 5 children queues/newsletters/segments
+    expect(Newsletter::findArray())->count(6);
+    expect(SendingQueue::findArray())->count(6);
+    expect(NewsletterSegment::findArray())->count(7);
+
+    // delete parent newsletter and check that relations no longer exist
+    $parent_newsletter->delete();
+    expect(Newsletter::findArray())->count(0);
+    expect(SendingQueue::findArray())->count(0);
+    expect(NewsletterSegment::findArray())->count(0);
+  }
+
   function testItTrashesQueueAssociationsWhenNewsletterIsTrashed() {
     // create multiple sending queues
     $newsletter = $this->newsletter;
@@ -475,6 +508,32 @@ class NewsletterTest extends MailPoetTest {
     expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(6);
   }
 
+  function testItTrashesChildrenQueueAssociationsWhenParentNewsletterIsTrashed() {
+    $parent_newsletter = $this->newsletter;
+    // create multiple children (post notification history) newsletters and sending queues
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $parent_newsletter->id
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->save();
+    }
+    // 1 parent and 5 children queues/newsletters
+    expect(Newsletter::whereNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
+
+    // trash parent newsletter and check that relations are trashed
+    $parent_newsletter->trash();
+    // 1 parent and 5 children queues/newsletters
+    expect(Newsletter::whereNotNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(6);
+  }
+
   function testItRestoresTrashedQueueAssociationsWhenNewsletterIsRestored() {
     // create multiple sending queues
     $newsletter = $this->newsletter;
@@ -492,6 +551,41 @@ class NewsletterTest extends MailPoetTest {
     expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
   }
 
+  function testItRestoresTrashedChildrenQueueAssociationsWhenParentNewsletterIsRestored() {
+    // delete parent newsletter and sending queue
+    $parent_newsletter = $this->newsletter;
+    $parent_newsletter->deleted_at = date('Y-m-d H:i:s');
+    $parent_newsletter->save();
+    $parent_sending_queue = $this->sending_queue;
+    $parent_sending_queue->deleted_at = date('Y-m-d H:i:s');
+    $parent_sending_queue->save();
+
+    // create multiple children (post notification history) newsletters and sending queues
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $parent_newsletter->id,
+          'deleted_at' => date('Y-m-d H:i:s')
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->deleted_at = date('Y-m-d H:i:s');
+      $sending_queue->save();
+    }
+    // 1 parent and 5 children queues/newsletters
+    expect(Newsletter::whereNotNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(6);
+
+    // restore parent newsletter and check that relations are restored
+    $parent_newsletter->restore();
+    // 1 parent and 5 children queues/newsletters
+    expect(Newsletter::whereNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
+  }
+
   function testItTrashesAllQueueAssociationsWhenNewslettersAreBulkTrashed() {
     // create multiple newsletters and sending queues
     for($i = 1; $i <= 5; $i++) {
@@ -515,6 +609,30 @@ class NewsletterTest extends MailPoetTest {
     expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(6);
   }
 
+  function testItTrashesAllChildrenQueueAssociationsWhenParentNewslettersAreBulkTrashed() {
+    // create multiple children (post notification history) newsletters and sending queues
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $this->newsletter->id,
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->save();
+    }
+    // 5 queues/newsletters + 1 of each created in _before() method
+    expect(Newsletter::whereNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
+
+    // bulk trash parent newsletters and check that relations are trashed
+    Newsletter::bulkTrash(ORM::forTable(Newsletter::$_table));
+    expect(Newsletter::whereNotNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(6);
+  }
+
   function testItBulkRestoresTrashedQueueAssociationsWhenNewslettersAreBulkRestored() {
     // create multiple newsletters and sending queues
     for($i = 1; $i <= 5; $i++) {
@@ -540,6 +658,32 @@ class NewsletterTest extends MailPoetTest {
     expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
   }
 
+  function testItBulkRestoresTrashedChildrenQueueAssociationsWhenParentNewslettersAreBulkRestored() {
+    // create multiple children (post notification history) newsletters and sending queues
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $this->newsletter->id,
+          'deleted_at' => date('Y-m-d H:i:s')
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->deleted_at = date('Y-m-d H:i:s');
+      $sending_queue->save();
+    }
+    expect(Newsletter::whereNotNull('deleted_at')->findArray())->count(5);
+    expect(SendingQueue::whereNotNull('deleted_at')->findArray())->count(5);
+
+    // bulk restore parent newsletters and check that relations are restored
+    Newsletter::bulkRestore(ORM::forTable(Newsletter::$_table));
+    // 1 parent and 5 queues/newsletters
+    expect(Newsletter::whereNull('deleted_at')->findArray())->count(6);
+    expect(SendingQueue::whereNull('deleted_at')->findArray())->count(6);
+  }
+
   function testItBulkDeletesSegmentAndQueueAssociationsWhenNewslettersAreBulkDeleted() {
     // create multiple newsletters, sending queues and newsletter segments
     for($i = 1; $i <= 5; $i++) {
@@ -570,6 +714,37 @@ class NewsletterTest extends MailPoetTest {
     expect(NewsletterSegment::findArray())->count(0);
   }
 
+  function testItBulkDeletesChildrenSegmentAndQueueAssociationsWhenParentNewslettersAreBulkDeleted() {
+    $this->_after();
+    // create multiple children (post notification history) newsletters, sending queues and newsletter segments
+    for($i = 1; $i <= 5; $i++) {
+      $newsletter = Newsletter::createOrUpdate(
+        array(
+          'subject' => 'test',
+          'type' => Newsletter::TYPE_NOTIFICATION_HISTORY,
+          'parent_id' => $this->newsletter->id
+        )
+      );
+      $sending_queue = SendingQueue::create();
+      $sending_queue->newsletter_id = $newsletter->id;
+      $sending_queue->save();
+      $newsletter_segment = NewsletterSegment::create();
+      $newsletter_segment->newsletter_id = $newsletter->id;
+      $newsletter_segment->segment_id = 1;
+      $newsletter_segment->save();
+    }
+    // 5 queues/newsletters/segment associations
+    expect(Newsletter::findArray())->count(5);
+    expect(SendingQueue::findArray())->count(5);
+    expect(NewsletterSegment::findArray())->count(5);
+
+    // bulk delete newsletters and check that relations are deleted
+    Newsletter::bulkDelete(ORM::forTable(Newsletter::$_table));
+    expect(Newsletter::findArray())->count(0);
+    expect(SendingQueue::findArray())->count(0);
+    expect(NewsletterSegment::findArray())->count(0);
+  }
+
   function _after() {
     ORM::raw_execute('TRUNCATE ' . NewsletterOption::$_table);
     ORM::raw_execute('TRUNCATE ' . Newsletter::$_table);