The Heffley Family Reunion is a family reunion that takes place in the Heffley Family, the family's oldest surviving member, Gammie Heffley mainly hosts it at her house. Uncle Gary, Grandpa Heffley, Uncle Joe, Gammie Heffley, Frank Heffley, Susan Heffley, Rodrick Heffley, Greg Heffley, Manny Heffley, and other children and adults are shown in a photo of the reunion.