house of luxembourg

Change happens in 1410. William, son of Antoine of Brabant and Elizabeth of Luxembourg, survives, while his cousin Elizabeth, daughter of Sigismund of Luxembourg and Barbara of Cili, dies. If Sigismund remains childless, then his niece and her Valois son are his heirs. Luxembourgs made mutual...

By House of Luxembourg I mean main line of Dynasty (Bohemian-Hungarian-Imperial not their poor cousins of Saint-Pol), with latest possible POD (so Sigismund of Luxembourg has second child with Barbara of Cili, son born during second decade of 15th century). What would be consequences? House of...

Margaret of Luxembourg, widowed Duchess of Bavaria, daughter of John of Luxembourg King of Bohemia, was planned to marry King of Poland Casimir III, also recently widowed, but she died in 1341 at age 28. Luxembourgs as replacement proposed Adelheid of Hesse to Casimir. Adelheid offered little...