[1][2][3][4][5][6] Louis de Fortia-Montréal was born in Avignon, France in 1618 and ordained a deacon on 9 June 1646.
[2] On 10 September 1646, he was appointed during the papacy of Pope Innocent X as Bishop of Cavaillon.
[1][2] On 23 September 1646, he was consecrated bishop by Pier Luigi Carafa, Cardinal-Priest of Santi Silvestro e Martino ai Monti, with Alphonse Sacrati, Bishop Emeritus of Comacchio, and Ranuccio Scotti Douglas, Bishop of Borgo San Donnino, serving as co-consecrators.
[2] On 26 June 1656, he was appointed during the papacy of Pope Alexander VII as Coadjutor Bishop of Carpentras and succeeded to the bishopric on 25 May 1657.
[1][2] He served as Bishop of Carpentras until his death on 26 April 1661.