Before his father passed he was married to Odette of Champagne, daughter of Odo II of Champlitte (who died shortly after taking part in the siege of Constantinople).
He left behind a wife, Emeline of Broyes, who was much younger than he, and a daughter, Oda or Odette or Euda, who married Hugh I of Ghent.
Walter of Ghent (de Gand dit Villain) (died before 1260) was the second son of Hugues I and Odette de Champagne, daughter of Odo II of Champlitte.
William of Champlitte | Odo the Great | Odo II of Champlitte | Odo II, Count of Blois | Odo, Earl of Kent | Odo of Cluny | Odo I, Margrave of the Saxon Ostmark | Odo I, Count of Blois | Odo I | Odo | Odo II | Champlitte |