diff --git a/plugins/woocommerce/src/Internal/DataStores/Orders/OrdersTableDataStore.php b/plugins/woocommerce/src/Internal/DataStores/Orders/OrdersTableDataStore.php
index f2543f037f6..ace23ce36e9 100644
--- a/plugins/woocommerce/src/Internal/DataStores/Orders/OrdersTableDataStore.php
+++ b/plugins/woocommerce/src/Internal/DataStores/Orders/OrdersTableDataStore.php
@@ -1766,7 +1766,9 @@ FROM $order_meta_table
 			 */
 			do_action( 'woocommerce_before_delete_order', $order_id, $order );
 
+			$this->unlink_child_orders( $order );
 			$this->delete_order_data_from_custom_order_tables( $order_id );
+
 			$order->set_id( 0 );
 
 			// If this datastore method is called while the posts table is authoritative, refrain from deleting post data.
@@ -1796,6 +1798,19 @@ FROM $order_meta_table
 		}
 	}
 
+	private function unlink_child_orders( $order ) {
+		global $wpdb;
+		$order_table = self::get_orders_table_name();
+		$order_parent = $order->get_parent_id();
+		$wpdb->update(
+			$order_table,
+			array( 'parent_order_id' => $order_parent ),
+			array( 'parent_order_id' => $order->get_id() ),
+			array( '%d' ),
+			array( '%d' )
+		);
+	}
+
 	/**
 	 * Trashes an order.
 	 *