He was born in the year 890 in Burgos, Kingdom of León (now Spain).Source 1
(Royal House) in the year 890: "Astur-Leonese Dynasty".
(The Throne) in the year 931 in Burgos, Kingdom of León (now Spain): Alfonso abdicated the throne to his brother Ramiro and went into a religious house..
He died in the year 933 in Sahagún, Kingdom of León (now Spain), he was 43 years old.Source 1
When copying data from this family tree, please include a reference to the origin: Derk Sherren, "Sherren Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/sherren-family-tree/I210123781457.php : accessed May 7, 2025), "Alfonso Iv "The Monk" (Alfonso Iv "The Monk") of León (King of León) (890-933)".
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