Luitgarde of Vermandois 10th-century French noblewoman (0920–0981) Parents Adela of France Herbert II, Count of Vermandois Children Hugh of Blois Odo I, Count of Blois Hildegarde de Blois Emma of Blois Thibaud de Blois Siblings Herbert III of Omois Adele of Vermandois Adalbert I, Count of Vermandois Hugh of Vermandois Eudes of Vermandois Robert of Vermandois Guy I, Count of Soissons Partners William Longsword Theobald I, Count of Blois