John R Hoffman (born 1936)Hoffman family✓Confirmed how we know thisVitalsBorn1936✓Confirmed how we know thisFamilyFatherGeorge T. Koffman (1911 to 1989)MotherGertrude Theresa Koffman (born Sinclair) (1913 to 2004)Sources1950, ED 68-5, p.83, line 25View John R Hoffman's family tree · See this person in the family network · Find how you are related