Alexander Sinclair

Parents

• Marjory Sutherland
• William Sinclair, 1st Earl of Caithness

Children

Siblings

• Robert Sinclair
• Arthur Sinclair
• George Sinclair
• Eleanor Sinclair
• Oliver St Clair, 12th Baron of Roslin
• William Sinclair, 2nd Earl of Caithness
• Catherine Sinclair
• Mariot Sinclair
• Susan Sinclair
• Katherine Sinclair
• Lady Elizabeth Sinclair
• William Sinclair, 3rd Lord Sinclair
• Sir David Sinclair