Mathilde married Eudes (Odo) II DE BLOIS Count of Champagne & Blois, son of Eudes (Odo) I DE BLOIS Comte de Blois and Berthe DE BOURGOGNE, in 1003. (Eudes (Odo) II DE BLOIS Count of Champagne & Blois was born in 983 in Chartres, Eure-et-Loir, Beauce/Centre, France and died on 15 Nov 1037 in Blois, Loir-et-Cher, Centre, France.)