John Sinclair, 11th Earl of Caithness

John Sinclair, 11th Earl of Caithness (died 1789) was a Scottish noble, Earl of Caithness and chief of the Clan Sinclair, a Highland Scottish clan. John was the eldest son of William Sinclair, 10th Earl of Caithness who died in 1779.

John Sinclair, 11th Earl of Caithness

John Sinclair, 11th Earl of Caithness (died 1789) was a Scottish noble, Earl of Caithness and chief of the Clan Sinclair, a Highland Scottish clan. John was the eldest son of William Sinclair, 10th Earl of Caithness who died in 1779.