Updated Feb 20, 2026
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Juana I of Castile: Queen of Castile (1504–1555) and Aragon (1516–1555).
Born in Toledo (died at age 75).
Biography
Joanna of Castile was de jure (nominal) queen of Castile from 1504 and queen of Aragon from 1516 to her death in 1555. She was the daughter of Queen Isabella I of Castile and King Ferdinand II of Aragon. Joanna was married by arrangement to the Austrian archduke Philip the Handsome on 20 October 1496. Following the deaths of her elder brother John, elder sister Isabella, and nephew Miguel between 1497 and 1500, Joanna became the heir presumptive to the crowns of Castile and Aragon. When her mother died in 1504, she became queen of Castile. Her father proclaimed himself governor and administrator of Castile.
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Frequently Asked Questions
How old was Juana I of Castile?
Juana I of Castile was born on and passed away on at the age of 75.
Where was Juana I of Castile born?
Juana I of Castile was born in Toledo.
Where can I find more information about Juana I of Castile?
You can find more about Juana I of Castile on Wikidata. Their full profile and filmography is available on this page.
