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.[3] 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. From then on, the bishop and the count paid each other homage on the bridge of Morge.[4]
In 1328, he had wooden aqueducts built to bring fresh water directly into the courtyard of the castle at Chambéry.[5] His death in 1329 was unexpected and left the county to his brother, Aymon.[6]