Ruler · 1221 – 1284

Alfonso X of Castile

Lived 1221 – 1284; astronomer, composer, poet, writer. Monarch of Castile and Leon of Crown of Castile, 1252 – 1284.

Wikidata's English label: Alfonso X of Castile and Leon.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1221 – 1284; 63 years
In office: 32 years; one reign
Lines: 1; Crown of Castile
Left it: natural death; Kokkonen & Sundell

Monarch of Castile and Leon

Crown of Castile · the 2nd of 20 dated reigns · 1230 – 1714

Ferdinand III of Castile1230 – 1252

Alfonso X of Castile1252 – 1284

Sancho IV of Castile1284 – 1295

Ferdinand IV of Castile1295 – 1312

Alfonso XI of Castile1312 – 1350

15 after

deposed, abdicated, exiled or removeddied in officeleft alive by a regular roada second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 1252 – 1284 · 32 years · came to it aged 31

Came to it: the child of the ruler before, on record
Left it: natural deathcoded by Kokkonen & Sundell

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Wikidata Q47595 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.