diff --git a/src/php/HAB/Pica/Record/Record.php b/src/php/HAB/Pica/Record/Record.php
index <HASH>..<HASH> 100644
--- a/src/php/HAB/Pica/Record/Record.php
+++ b/src/php/HAB/Pica/Record/Record.php
@@ -88,6 +88,13 @@ abstract class Record {
   protected $_fields = array();
 
   /**
+   * The containing parent record, if any.
+   *
+   * @var \HAB\Pica\Record
+   */
+  protected $_parent;
+
+  /**
    * Constructor.
    *
    * @param  array $fields Initial set of fields
New variable: Containing parent record

* php/HAB/Pica/Record/Record.php ($_parent): New variable. Containing
parent record.