William Sinclair, 1st Earl of Caithness 3rd Earl of Orkney, Baron of Roslin, William Sinclair, William St. Clair
Scottish nobleman, last Jarl of Orkney; Lord Chancellor of Scotland
- Sex or Gender:
- male
- Date of Birth:
- 1410-01-01
- Date of Death:
- 1484-01-01
- Country of citizenship:
- Scotland
- Father:
- Henry II Sinclair
- Mother:
- Egidia Douglas
- Childrens:
- Eleanor Sinclair
Lady Elizabeth Sinclair
William Sinclair, 2nd Lord Sinclair
Katherine Sinclair
Susan Sinclair
Mariot Sinclair
Sir David Sinclair
William Sinclair, 2nd Earl of Caithness
Catherine Sinclair
Alexander Sinclair
George Sinclair
Arthur Sinclair
Oliver St Clair, 12th Baron of Roslin
Robert Sinclair