Bouchard de Marly
In 1209 , he participated in the Albigensian Crusade , where he joined Simon of Montford who was married to Alix de Montmorency , one of his cousins . 
<triplet> Albigensian Crusade <subj> 1209 <obj> start time <triplet> Simon of Montford <subj> Alix de Montmorency <obj> spouse <triplet> Alix de Montmorency <subj> Simon of Montford <obj> spouse