Sir John Sinclair of Longformacus, 4th Bt.

(died 1764) (d. 1764)

Parents

• Sir Robert Sinclair of Longformacus, 3rd Bt.
• Christian Cockburn

Children

• Sydney Sinclair

Siblings

• unknown daughter Sinclair
• unknown daughter Sinclair
• Sir Henry Sinclair of Longformacus, 5th Bt.
• Jean Sinclair
• Christian Sinclair

Partners

• Sidney Johnston