Interactive tree of William Sinclair, 3rd Earl of Orkney, 1st Earl of Caithness

John Boswell, 3rd of Auchinleck 1532–1609

Christian Dalzell …–1580

Christian Stewart …–…

David Boswell, 2nd of Auchinleck 1512–1563

Jean Hamilton 1513–1563

Thomas Boswell, 1st of Auchinleck 1483–1513

Annabella Campbell 1492–1575

William Boswell 1484–1500

Robert Boswell 1491–…

John Boswell of Bowhill 1493–…

Patrick Boswell 1489–…

James Boswell 1487–…

Margaret Sinclair 1460–…

David Boswell, 2nd of Balmuto 1431–1496

William Sinclair, 3rd Earl of Orkney, 1st Earl of Caithness 1404–1480

Henry Sinclair, 2nd Earl of Orkney 1375–1419

Egidia Jill Douglas 1391–1438

William Douglas of Nithsdale 1370–1391

Egidia Stewart 1370–1388

King Robert II of Scotland 1316–1390

Euphemia de Ross 1329–1386

Walter Stewart, 6th High Steward of Scotland 1296–1327

Marjorie Bruce 1296–1316