Milo was Seigneur du Puiset , Vicomte de Chartres from 1190 , and Count of Bar-sur-Seine from 1189 . He spent most of his life devoted to military affairs , being involved in the siege of Rouen in 1204 , and the sieges of Béziers and Carcasonne during the Albigensian crusade . Milo and his son Walter ( Gaucher ) were both killed in the fighting near Damietta at the end of the Fifth Crusade in 1219 . He was the last of the Counts of Bar-sur-Seine of his line . After his death the County of Bar-sur-Seine was absorbed into the County of Champagne
Béziers
Massacre at Béziers
Milo IV, lord of Le Puiset