Frederick II (1413–1471), Elector of Brandenburg married in 1441 Princess Catherine of Saxony (1421–1476) Albert Achilles, (1414–1486), Elector of Brandenburg, married: in 1446 Princess Margarete of Baden (1431–1457) in 1458 Princess Anna of Saxony (1437–1512) Sofie, born and died 1417.
Frederick William was a military commander of wide renown, and his standing army would later become the model for the Prussian Army.He is notable for his joint victory with Swedish forces at the Battle of Warsaw, which, according to Hajo Holborn, marked "the beginning of Prussian military history", but the Swedes turned on him at the behest of King Louis XIV and invaded Brandenburg.
Biografía. Federico Guillermo era el hijo del príncipe Augusto Guillermo de Prusia y de la duquesa Luisa Amalia de Brunswick-Wolfenbüttel.Nació en Berlín y se convirtió en heredero del trono al Reino de Prusia cuando murió su padre, en 1758, pues el hermano de este, Federico II el Grande, quien era el rey de Prusia, no tuvo hijos.
Queen Elizabeth II, present sovereign of the Commonwealth realms, is the daughter of King George VI, the second-eldest son of King George V and Queen Mary; and of Lady Elizabeth Bowes-Lyon (later Queen Elizabeth, and, after her daughter's accession to the throne, the Queen Mother), the daughter of Claude Bowes-Lyon, 14th Earl of Strathmore and Kinghorne, and his wife, Cecilia Bowes-Lyon ...