He was married to Blanche (Bianca) of Burgundy, daughter of Robert II, Duke of Burgundy and Agnes of France, Duchess of Burgundy.
They had a daughter, Joan, who married John III the Good, duke of Brittany.
In 1325, Edward was attacked at Varey by Guigues VIII of Viennois and Amadeus III of Geneva as he was besieging Varey castle.
Guigues won the battle and Edward barely escaped.In 1327, the residents of Maurienne revolted against their bishop-prince.
The bishop asked Edward for help, and Edward agreed, provided that he gain the administrative control of the diocese.
The bishop consented, and was restored.
That same year, the bishop of Sion refused to pay him homage, which had been the custom since the time of Peter II, Count of Savoy.