a name borne by a large number of German princes, both temporal and spiritual, the more important of whom will be referred to under the several countries to which they belonged.

Albert, Margrave of Brandenburg, and the last grand master of the Teutonic order, laid aside the habit of his order, embraced Lutheranism, and concluded a peace at Cracow 1525, by which he was acknowledged duke of the east part of Prussia (formerly called for that reason Ducal Prussia), but to be held as a fief of Poland, and to descend to his male heirs. He was born in 1490; married in 1527 Dorothea, a princess of Denmark, and died in 1568. See Prussia.