Fernando III "the Saint" King of CASTILE AND LÉON
He married Jeanne de Dammartin, Countess of Ponthieu 1237 at Burgos, Burgos, Spain . Jeanne de Dammartin, Countess of Ponthieu was born at of Dammartin, France Abt 1216 .
They were the parents of 4
children:
Fernando Prince of Castile and LÉON, Count of Aumale
born Aft 1239.
Luis Prince of Castile and LÉON, SEÑOR de Marchena
born Abt 1242.
Leonor Princess of Castile and LÉON, Queen of England
born 1244.
Juan Señor de Marchena
born Abt 1246.
Fernando III "the Saint" King of Castile and LÉON died 30 May 1252 at Sevilla, Sevilla, Spain .
Jeanne de Dammartin, Countess of Ponthieu died 15 Mar 1279 at Abbeville, France .