See also

Sir 's parents: William Sinclair, 3rd Earl of Orkney (bef1420-bef1482) and Marjory SUTHERLAND ( - )
Sir 's brother: William Sinclair, 2nd Earl of CAITHNESS ( - )

Sir ( - )

1. Sir Oliver Sinclair of Roslin was the son of Lord William Sinclair, 3rd Earl of Orkney 3rd Earl Orkney, 1st Earl Caithness (bef1420-bef1482) and Marjory SUTHERLAND ( - ).