Joseph "Joe" Heffley is the younger brother and rival of Frank Heffley, brother-in-law of Susan Heffley, and uncle of Greg Heffley, Rodrick Heffley and Manny Heffley.
Joseph "Joe" Heffley is the younger brother and rival of Frank Heffley, brother-in-law of Susan Heffley, and uncle of Greg Heffley, Rodrick Heffley and Manny Heffley.