Kurš apprecējās ar Magdalene of Brandenburg (1412–1454)?

Magdalene of Brandenburg (born: c. 1412; died: 27 October 1454 in Scharnebeck) was a princess of Brandenburg by birth and by marriage Duchess of Brunswick-Lüneburg.

Frederick II (German: Friedrich II.), also known as Frederick the Pious (German: der Fromme) (1418–1478) was a prominent German nobleman from the House of Guelph who served and ruled as the Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1434 to 1457 and from 1471 to 1478. Born on 10 November 1418, he was the son of Duke Bernard I of Brunswick-Lüneburg and his wife, Margaret of Saxony.