Sir Robert Sinclair of Longformacus, 1st Bt. (died 1678) (1600–1678) Parents Helen Hepburn James Sinclair, 11th of Longformacus Children Elizabeth Sinclair Margaret Sinclair Anne Sinclair Sir John Sinclair of Longformacus, 2nd Bt. unknown daughter Sinclair George Sinclair Jean Sinclair unknown daughter Sinclair Sir Archibald Sinclair Partners Elizabeth Douglas Margaret Alexander