Admiral, cousin of preceding, born near Falkirk; entered the navy as a volunteer in 1799, assisted in two naval engagements, and for a time served as a volunteer in the Peninsular army; joined the Portuguese navy, defeated the fleet of Dom Miguel, tried to reform the navy of Portugal but failed, assisted by land and sea in driving Mehemet Ali out of Syria, and held the command of the Baltic fleet during the Crimean War, but disappointed expectations and was deprived of command (1786-1860).