Kurš apprecējās ar Joan of France, Duchess of Bourbon?

Joan of France, Duchess of Bourbon (French: Jeanne de Valois; 4 May 1435 – 1482), also known as Joan of Valois, was the seventh child and fourth daughter of Charles VII of France and Marie of Anjou. She was the original owner of the book of hours of Joan of France, now held in the Bibliothèque nationale de France, which is classified as a national treasure of France.

Jean (John) de Bourbon, Duke of Bourbon (1426 – 1 April 1488), sometimes referred to as John the Good and The Scourge of the English, was a son of Charles I of Bourbon and Agnes of Burgundy. He was Duke of Bourbon and Auvergne from 1456 to his death.