David J Sinclair (born 1938)Sinclair family✓Confirmed how we know thisVitalsBorn1938✓Confirmed how we know thisFamilyFatherJames Francis Sinclair (1901 to 1969)MotherIrene Marie Sinclair (born Lawless) (1903 to 1992)Sources1950, ED 68-5, p.59, line 18View David J Sinclair's family tree · See this person in the family network · Find how you are related