Proper noun
Heffley (plural Heffleys)
A surname.
Diary of a Wimpy Kid: Old School by Jeff Kinney: With tension building inside and outside the Heffley home, will Greg find a way to survive? Source: Internet
Lynne Heffley, "In 'Tchaikovsky Spectacular,' L.A. Phil is with the band", Los Angeles Times, August 27, 2007. Source: Internet