WILLIAM (1747-1828).-Historian, was _b._ in London, and _ed._ at Eton and Camb. As tutor to various young men of family he travelled much on the Continent, and _pub._ accounts of his journeys. His chief historical work is his _Memoirs of the House of Austria_ (1807), and he also wrote lives of Walpole, Marlborough, and others. He had access to