Sinclair1900–?Names and SurnamesD. Sinclair, Garland SinclairTimelineBirth1900Death0RelationsSiblingsSinclair (1900–1960)Sinclair (1900–?)Sinclair (1900–?)Half-siblingsSinclair (1910–1930)Sinclair (1910–1940)ParentsCharles Sinclair (1873–1931)Flora Swartz (?–1908)Sourceswikitree Sinclair-1702