Kurš apprecējās ar Magnus II, Duke of Saxe-Lauenburg?

Magnus II of Saxe-Lauenburg (1543 – 14 May 1603, in Ratzeburg) was the eldest surviving son of Duke Francis I of Saxe-Lauenburg and Sybille of Saxe-Freiberg, daughter of Duke Henry IV the Pious. In 1571 Magnus II ascended the throne after his father Francis I resigned due to indebtedness. Two years later Francis I, helped by his other son Francis (II), deposed Magnus II and re-ascended. Magnus' violent and judicial attempts to regain the duchy failed. In 1588 he was imprisoned for the remainder of his life.

Princess Sophia of Sweden, also Sofia Gustavsdotter Vasa (29 October 1547 – 17 March 1611), was a Swedish princess, daughter of King Gustav Vasa of Sweden and Margareta Leijonhufvud. She was formally Duchess consort of Saxe-Lauenburg by her marriage to Duke Magnus II of Saxe-Lauenburg.