Gertrude Sinclair (born 1933)Sinclair family✓Confirmed how we know thisVitalsBorn1933✓Confirmed how we know thisFamilyFatherRobert Hugh Sinclair (1863 to 1944)MotherPhyllis Sinclair (born 1911)Sources1940, ED 68-5, p.43, line 7View Gertrude Sinclair's family tree · See this person in the family network · Find how you are related