Marie of Ponthieu (17 April 1199 – 21 September 1250) was ''

suo jure ''Suo jure'' is a Latin phrase, used in English to mean 'in his own right' or 'in her own right'. In most nobility-related contexts, it means 'in her own right', since in those situations the phrase is normally used of women; in practice, especi ...

'' Countess of

Ponthieu Ponthieu (, ) was one of six feudal counties that eventually merged to become part of the Province of Picardy, in northern France.Dunbabin.France in the Making. Ch.4. The Principalities 888-987 Its chief town is Abbeville. History Ponthieu play ...

and Countess of Montreuil, ruling from 1221 to 1250.

Biography

Marie was the daughter of

William IV of Ponthieu William IV Talvas (1179 – 4 October 1221) was William III, Count of Ponthieu and William IV (of the house of Belleme/Montgomery). He was Count of Ponthieu, ruler of a small province in northern France that fell under the suzerainty of the ...

and

Alys, Countess of the Vexin Alys of France, (or Alice) Countess of Vexin (4 October 1160 – c. 1220) was a French princess, the daughter of Louis VII, King of France and his second wife, Constance of Castile. Life Alys was the half-sister of Marie and Alix of France ...

, and granddaughter of King Louis VII of France by his second wife

Constance of Castile Constance of Castile (1136 or 1140 – 4 October 1160) was Queen of France as the second wife of Louis VII, who married her following the annulment of his marriage to Eleanor of Aquitaine. She was a daughter of Alfonso VII of León and Berengari ...

. As her father's only surviving child, Marie succeeded him, ruling as Countess of

and Montreuil from 1221 to 1250.

Marriages and children

She 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. Simon and Marie had four daughters but only two are recorded. Their elder daughter was Joan of Dammartin (1220- 16 March 1279), second wife of

Ferdinand III of Castile Ferdinand III ( es, Fernando, link=no; 1199/120130 May 1252), called the Saint (''el Santo''), was King of Castile from 1217 and King of León from 1230 as well as King of Galicia from 1231. He was the son of Alfonso IX of León and Berenguel ...

. Their younger daughter was Philippe of Dammartin (died 1277/81) who married firstly Raoul II d' Issoudun, secondly Raoul II de Coucy, and thirdly Otto II, Count Geldern. Marie secondly married at some time between September 1240 and 15 December 1241, Mathieu de Montmorency, Seigneur d'Attichy, who was killed in battle at Mansurrah on 8 February 1250 during the Seventh Crusade, led by King Louis IX of France.

References

Sources

* * {{DEFAULTSORT:Marie, Countess of Ponthieu 1199 births 1250 deaths Counts of Ponthieu Ponthieu, Countess of, Marie House of Montmorency House of Dammartin 13th-century women rulers 12th-century French women 12th-century French people 13th-century French women 13th-century French people