ADOLPHUS FREDERICK, duke of Cambridge (1774-185o), was born in London on Feb. Having studied at the university of Gottingen, Adolphus Frederick served in the Hanoverian and British armies, and, in Nov. 1801, was created earl of Tipperary and duke of Cambridge, becoming a member of the privy council in the following year. The duke is chiefly known for his connec tion with Hanover. In 1815, on the conclusion of the war, the electorate of Hanover was raised to the rank of a kingdom, and in the following year the duke was appointed viceroy. He held this position until the separation of Great Britain and Hanover in 1837. He died in London on July 8, 1850. In 1818 he married Augusta (1797-1889), daughter of Frederick, landgrave of Hesse Cassel. He left three children : his successor, George ; Augusta Caroline (b. 1822), who married Frederick William, grand duke of Mecklenburg-Strelitz; and Mary Adelaide (1833-1897), who married Francis, duke of Teck.