John Sinclair, Master of Caithness was a Scottish nobleman.
Castle Sinclair Girnigoe, Caithness
Footbridge into Castle Sinclair Girnigoe
George Sinclair was a Scottish nobleman, the 4th Earl of Caithness and chief of the Clan Sinclair, a Scottish clan of the Scottish Highlands.
Barrogill Castle (Castle of Mey) where there is an ancient carving of the arms of George Sincalir, 4th Earl of Caithness.