Editing Alfonso X of Castile (section)

==Family==
Violante was twelve or thirteen years old at the time of her marriage to Alfonso; she produced no children for several years and it was feared that she was barren. Alfonso almost had their marriage annulled, but they went on to have eleven children:
# [[Berengaria of Castile, Lady of Guadalajara|Berengaria]] (1253 – after 1284). She was betrothed to Louis, the son and heir of King [[Louis IX of France]], but her fiancé died prematurely in 1260. She entered the convent in Las Huelgas, where she was living in 1284.
# [[Beatrice of Castile, Marchioness of Montferrat|Beatrice]] (1254–1280). She married [[William VII, Marquess of Montferrat]].
# [[Ferdinand de la Cerda]], Infante of Castile (23 October 1255 – 25 July 1275). He married Blanche, the daughter of King Louis IX of France, by whom he had two children. Because he predeceased his father, his younger brother Sancho succeeded to the throne.
# [[Eleanor of Castile (1257–1275)|Eleanor]] (1257–1275)
# [[Sancho IV of Castile]] (13 May 1258 – 1295)
# [[Constance of Castile (1258–1280)|Constance]] (1258 – 22 August 1280), a nun at Las Huelgas.
# [[Peter of Castile, Lord of Ledesma|Peter, Lord of Ledesma]] (June 1260 – 10 October 1283)
# [[John of Castile, Lord of Valencia de Campos|John, Lord of Valencia de Campos]] (March or April 1262 – 25 June 1319).
# Isabella, died young.
# [[Violant of Castile|Violant]] (1265–1296). She married Diego López V de Haro, Lord of Biscay
# [[James of Castile, Lord of Cameros|James, Lord of Cameros]] (August 1266 – 9 August 1284)

Alfonso X also had several illegitimate children. With [[Mayor Guillén de Guzmán]], daughter of [[Guillén Pérez de Guzmán]] and of María González Girón, he fathered:
* [[Beatrice of Castile (1242–1303)|Beatrice]], married King [[Afonso III of Portugal]].

With Elvira Rodríguez de Villada, daughter of [[Rodrigo Fernández de Villada]], he fathered:
* [[Alfonso Fernández de Castilla]] (1242–1281), also known as ''el Niño'', he held the title of "Señor de Molina y Mesa" through his marriage with [[Blanca Alfonso de Molina]].

With [[María Alfonso de León]], his aunt, the illegitimate daughter of the King [[Alfonso IX of León]] and [[Teresa Gil de Soverosa]] he had:
* Berenguela Alfonso of Castile, who married [[Pedro Núñez de Guzmán]] in 1264, but died young leaving behind no descendants.