See also
| Husband: | Mathieu II of MONTMORENCY (1174-1250) | |
| Wife: | Marie + (1199-1251) | |
| Name: | Mathieu II of MONTMORENCY | |
| Sex: | Male | |
| Father: | Bouchard V + (1136-1189) | |
| Mother: | Laurette + of HAINAULT (1142-1181) | |
| Birth | 1174 | |
| Death | 8 Feb 1250 (age 75-76) | |
| Name: | Marie + | |
| Sex: | Female | |
| Father: | William III + TALVAS (1179-1221) | |
| Mother: | Alys + (1160-1221) | |
| Birth | 17 Apr 1199 | Aumale, Seine-Maritime, High Normandy, France |
| Occupation | Countess of Ponthieu and Montreuil/ | |
| Title | frm 1221 to 1251 (age 21-52) | Countess of Ponthieu and Montreuil/ |
| Death | 1251 (age 51-52) | Normandy, France |
Marie of Ponthieu (17 April 1199[1] – 1251) was the Countess of Ponthieu and Countess of Montreuil, ruling from 1221 to 1251.
Marie was the daughter of William IV of Ponthieu and Alys, Countess of the Vexin, and granddaughter of King Louis VII of France by his second wife Constance of Castile. As her father's only surviving child, Marie succeeded him, ruling as Countess of Ponthieu and Montreuil from 1221 to 1251.
[edit] Marriages and childrenShe married Simon of Dammartin before September 1208. He was the son of Alberic II of Dammartin and Maud de Clermont, daughter of Renaud de Clermont, Count de Clermont-en-Beauvaisis and Clemence de Bar.[2] Simon and Marie had four daughters but only two are recorded. The eldest was Joan of Dammartin (1220- 16 March 1279), second wife of Ferdinand III of Castile. The other daughter was Philippa of Dammartin (died 1277/81) who married firstly Raoul II d' Issoudun, secondly Raoul II de Coucy, and thirdly Otto II, Count Geldern.
Marie married secondly sometime between September 1240 and 15 December 1241,