William Sinclair, 1st Earl of Caithness
Scottish nobleman, last Jarl of Orkney; Lord Chancellor of Scotland (–)
Parents
Children
- Eleanor Sinclair
- Sir David Sinclair
- Katherine Sinclair
- Lady Elizabeth Sinclair
- William Sinclair, 2nd Earl of Caithness
- Alexander Sinclair
- Mariot Sinclair
- William Sinclair, 3rd Lord Sinclair
- Arthur Sinclair
- Robert Sinclair
- Susan Sinclair
- Catherine Sinclair
- George Sinclair
- Oliver St Clair, 12th Baron of Roslin