William
Revision as of 00:17, 9 February 2013 by imported>Anti-Cosmo Dude (Undo revision 32670 by 141.153.191.219 (talk))
William Heffley is Greg's great grandfather and is on Dad's side of the family. He is or used to be married to Helen.
Appearances
- Diary of a Wimpy Kid: Do-It-Yourself Book (extended version) in the family tree Greg had made.