Alfonso X
An artist's depiction of Alfonso
King of Castile and King of León
Reign	30 May 1252 – 4 April 1284
Coronation	1 June 1252
Predecessor	Ferdinand III
Successor	Sancho IV
Born	(1221-11-23)23 November 1221 Toledo
Died	4 April 1284(1284-04-04) (aged 62) Seville
Burial	25 April 1284 Cathedral of Seville
Spouse	Violant of Aragon
Issue	Beatrice, Marchioness of Montferrat Fernando de la Cerda Sancho IV, King of Castile
House	Ivrea
Father	Ferdinand III of Castile
Mother	Elisabeth of Hohenstaufen
Religion	Roman Catholicism

Alfonso X (23 November 1221 – 4 April 1284) called the Wise (Spanish: el Sabio) was the King of Castile and León from 1252 until his death in 1284.

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