Simon de Joinville lord of Gex Parents Beatrice of Auxonne Simon of Joinville Children Pierre de Joinville Guillaume de Joinville Pierre de Joinville Siblings Jean de Joinville Geoffrey of Joinville Béatrice de Faucigny Héloïse de Joinville Agnes of Faucigny Geoffroi de Joinville, Sire de Moncler Partners Léonette of Geneva