Margrave Christian Ludwig of Brandenburg-Schwedt Margrave Christian Ludwig of Brandenburg-Schwedt Christian Ludwig (24 May 1677 – 3 September 1734), a member of the House of Hohenzollern, was a Margrave of Brandenburg-Schwedt and a military officer of the Prussian Army. The margravial title was given to princes of the Prussian Royal House and did not express a territorial status. He is best known as the recipient of Johann Sebastian Bach's "Brandenburg concertos". Born in Berlin, Christian Ludwig was the youngest son of the "Great Elector" Frederick William (1620–1688), ruler of Brandenburg-Prussia, and his second wife Princess Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg (1636–1689). Like his elder brothers, he
John Sigismund, Elector of Brandenburg John Sigismund, Elector of Brandenburg John Sigismund (; 8 November 1572 – 23 December 1619) was a Prince-elector of the Margraviate of Brandenburg from the House of Hohenzollern. He became the Duke of Prussia through his marriage to Duchess Anna, the eldest daughter of Duke Albert Frederick of Prussia who died without sons. Their marriage resulted in the creation of Brandenburg-Prussia. John Sigismund was born in Halle an der Saale to Joachim III Frederick, Elector of Brandenburg, and his first wife Catherine of Brandenburg-Küstrin. He succeeded his father as Margrave of Brandenburg in 1608. In 1611, John Sigismund traveled from