*Marie (Jeanne) Countess of Ponthieu & Montreuil
born 17 Apr 1199 Of, Aumale, Normandie
died Sep 1250 Normandie
married Abt 1212 Aumale, Seine-Maritime, France

father:
*Guillaume III Count of Ponthieu
born 1179 Ponthieu, Flandres, France
died 4 Oct 1221 France

mother:
*Alix Princess of France
born Abt 1170 France
died 1221
married 20 Aug 1195 Castile

siblings:
unknown

spouse:
*Simon II Count of Dammartin
born Abt 1180 Of Dammartin, Seine-et-Marne, France
died 21 Sep 1239 Abbeville, Somme, France
buried Valoires, France

children:
*Jeanne De Dammartin
born Abt 1216 Of Dammartin, France
died 15 Mar 1279 Abbeville, France
Philippa De Dammartin
born Abt 1214 Of Aumale, Seine-Maritime, France died 1271 Of Zutphen, Gelderland, Netherlands

biographical and/or anecdotal:

notes or source:
LDS