Marie, Countess of Ponthieu

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Marie of Ponthieu (17 April 1199^[1]-1251) was the Countess of Ponthieu and Countess of Montreuil, ruling from 1221 to 1251.

[edit] Biography

Marie was the daughter of William IV of Ponthieu and Alys, Countess of the Vexin, and granddaughter of King Louis VII of France. As her father's only surviving child, Marie succeeded him as Countess of Ponthieu and Montreuil, ruling from 1221 to 1251.

[edit] Marriage and children

She married Simon de Dammartin before September 1208. He was the son of Alberic II de Dammartin and Maud de Ponthieu. Simon and Marie had four daughters but only two are recorded. The eldest was Jeanne of Dammartin (1216- 16 March 1279), second wife of Ferdinand III of Castile. Through her granddaughter Eleanor of Castile she is an ancestor of the British royal family. 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.