Kurš apprecējās ar Juan I de Brabante?

Juan I de Brabante, llamado el Victorioso (Lovaina, 1253 - Bar-le-Duc, 3 de mayo de 1294​), fue duque de Brabante desde 1267 y duque de Limburgo a partir de 1288 y hasta su muerte. Sucedió en el ducado a su hermano Enrique IV, quien renunció a la corona ducal al alcanzar la mayoría de edad. Fue hijo de Enrique III, duque de Brabante, y de Adelaida de Borgoña.

Margaret of France (1254–1271) was a member of the House of Capet and was Duchess of Brabant by her marriage to John I, Duke of Brabant.

Margaret of Flanders (died 3 July 1285) was a Duchess consort of Brabant. She was the daughter of Guy of Dampierre and his first wife Matilda of Béthune.

Margaret married John I, Duke of Brabant in 1273. She was the mother of:

1. Godfrey (1273/74 – aft. 13 September 1283).
2. John II of Brabant (1275–1312).
3. Margaret of Brabant (4 October 1276 – 14 December 1311, Genoa), married 9 June 1292 to Henry VII, Holy Roman Emperor.
4. Marie (d. after 2 December 1338), married to Count Amadeus V of Savoy.