Background
He was a son of Simon IV de Montfort and Alice of Montmorency. Guy joined his father on the Albigensian Crusade while still quite young.
He was a son of Simon IV de Montfort and Alice of Montmorency. Guy joined his father on the Albigensian Crusade while still quite young.
He fought at his father"s side at the siege of Toulouse in 1218, but his father died: crushed by the projectile of a siege engine. Amaury VI de Montfort inherited his father"s command, but not his strategic vision. The Occitan lords rebelled against him and Guy was killed in a conflict at Castelnaudary in 1220, either on 4 April or in July.
Guy left a daughter, Alice, who succeeded Petronilla.
He also left a daughter named Pernelle, who married Raoul de la Roche-Tesson.