About Guitier, Count Of Rethel
Guitier (Ithier) of Rethel (died 1171), son of Odo of Vitry and Matilda, Countess of Rethel, nephew of Baldwin II of Jerusalem, was Count of Rethel, succeeding his mother. (His father is named as count, but it is not clear that he ever served.) Châtelain de Vitry.