Thibaud of Luxembourg French cardinal (1410–1477) Parents Margherita del Balzo Peter I, Count of Saint-Pol Children François of Luxembourg Guillemette de Luxembourg Jacques I de Luxembourg-St. Pol, Heer van Gaveren en Fiennes Philippe de Luxembourg Madeleine de Luxembourg Siblings Isabel of Luxembourg Jacquetta of Luxembourg Catherine of Luxembourg-Saint-Pol Louis de Luxembourg, Count of Saint-Pol Jacques of Luxembourg Partners Philippe de Melun, Lady of Sottegem