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http://en.wikipedia.org/wiki/Jeanne_of_DammartinJeanne of Dammartin or Joan of Dammartin
Queen consort of
Castile and
León ,
Countess of Ponthieu and
Montreuil. She was the mother of
Eleanor of Castile, Queen consort of King
Edward I of England.
She was daughter of
Simon of Dammartin,
Count of Ponthieu and his wife
Marie of Ponthieu, Countess of Montreuil . Her paternal grandparents were Alberic II, Count de Dammartin and Mahaut de Clermont, daughter of Renaud de Clermont, Count of Clermont-en-Beauvaisis, and Clemence de Bar.
[1] Her maternal grandparents were
William IV of Ponthieu and
Alys, Countess of the Vexin. In 1237 she married in
Burgos King
Ferdinand III of Castile and Leon . She was his second wife, his first consort
Elisabeth of Hohenstaufen, the mother of his heir,
Alfonso, having died in 1235.
They had four sons and one daughter:
1. Ferdinand ,
Count of Aumale 2. Eleanor, married
Edward I of England 3. Louis
4. Simon , died young and buried in a monastery in
Toledo 5. John , died young and buried at the cathedral in
CórdobaIn 1253, Jeanne returned to France. Sometime between May 1260 and 9 February 1261, she married secondly, Jean de Nesle, Seigneur de Falvy et de La Hérelle .
[2]