Career
Louis-Alphonse de Valbelle was born in 1640 in Marseille. His father was Antoine de Valbelle. He had a brother, Léon de Valbelle de Montfuron.
He served as the Bishop of Alet from 1677 to 1684 and as Bishop of Saint-Omer from 1684 to 1708.
Death
He died in 1708 in Saint-Omer.