Name William
Age 100 (Possibly Deceased)
Gender Male
Actor None
Film Appearance? No
Online Appearance? No
Book Appearance? Yes

William is the husband of Helen, the father of Nana Heffley, Great Aunt Dorothy and Charlie Heffley, Greg and his siblings' great-grandfather. He only appears in the family tree in Diary of a Wimpy Kid: Do-It-Yourself Book. It is unknown if he is still alive, but he is probably not. He is Frank Heffley's maternal grandfather.


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