Montrose, James Graham, Marquis of. Royalist leader. Born in Edinburgh in 1612. Lived for some time in France as an officer in the Scottish Guard. On his return, he first joined the Covenanters, but afterwards became a zealous Royalist, gaining several battles for the king, but was defeated by Leslie at Philiphaugh in 1645. Five years later, having been captured in Orkney, was brought to Edinburgh and executed in 1650.