 In 1248 he negotiated with Aymar III of Valentinois to reduce the taxes that traders would pay on foods travelling through his lands, and over the next few years he granted charters to towns throughout the area.When, against expectations, Philip became the next heir for the County of Savoy, he gave his church offices up and married Adelaide, Countess Palatine of Burgundy, on 12 June 1267.He became Count of Savoy in 1268, and in 1272 he also acquired the County of Bresse.