William Sinclair, 1st Earl of Caithness
William Sinclair (1410–1484), 1st Earl of Caithness (1455–1476), 3rd Earl of Orkney (1455–1470), Baron of Roslin was a Scottish nobleman and the builder of Rosslyn Chapel, in Midlothian. for more click here
William Sinclair (1410–1484), 1st Earl of Caithness (1455–1476), 3rd Earl of Orkney (1455–1470), Baron of Roslin was a Scottish nobleman and the builder of Rosslyn Chapel, in Midlothian. for more click here
