He was the son of Count John of the House [of Maurienne] (died before 1545), Viscount de Maurienne, who married in 1499 to Barbe d'Amboise, niece of Cardinal Amboise.
[clarification needed] Philippe was made bishop of Orange by the Pope in 1560.
The Episcopal city was battered by the Huguenots, during the reformation wars so he retired to Avignon.
Philip withdrew quickly to Caderousse with his canons and clergy because of turmoil spawned by Protestants.
The vault and the bell tower of the Cathedral were destroyed, as were 7 churches.