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Pedro de Atarés

1083 – 1151

Nobleman, pretender to the throne of the Kingdom of Aragón

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About Pedro de Atarés

Lived 1083 – 1151 (aged 67–68).

Pedro de Atarés ( in Borja – 21 February 1151) was a Spanish noble and member of the House of Aragón. He founded the Veruela Abbey, the oldest Cistercian monastery in Aragon.

Biography

Family Pedro de Atarés was the son of García Sánchez, Lord of Aibar, Atarés, and Javierrelatre, and grandson of Sancho Ramírez, Count of Ribagorza, an illegitimate child of King Ramiro I. His mother was Teresa Cajal, a sister of Fortún Garcés Cajal, one of the most powerful magnates in the Kingdom of Aragón.

Pretender to the throne Pedro inherited the lordships of Atarés and Javierrelatre from his father, and received Borja by gift of King Alfonso VII of Castile, He was one of the claimants to the throne of Aragón after the childless death of King Alfonso I the Battler. According to the Crónica de San Juan de la Peña, written in the 14th century, he had been the preferred candidate of the Aranonese barons but he then alienated them with his haughty behavior at the assembly, and they instead chose the deceased king's brother Ramiro II, until then a monk.

Founder of Veruela Abbey

In 1146, Pedro de Atarés founded Veruela Abbey (Real Monasterio de Santa María de Veruela), the most ancient Cistercian monastery in Aragon, with a donation, also confirmed by his mother, to the abbot of the Escaladieu Abbey in France. This donation was later confirmed in 1155 by Count Raymond Berenguer IV.

Death without issue Pedro de Atarés died on 21 February 1151 and was buried at the abbey which he had founded. Although he died without leaving any children, members of the House of Borgia invented a genealogy tracing their origins back to this member of the royal house coinciding with the third wedding of Lucrezia Borgia to Alfonso I d'Este, Duke of Ferrara, which was arranged by her father Pope Alexander VI. Nevertheless:

Family tree

Candidates for the crowns of Navarre and Aragon in 1134 Marriage and legitimate descent Liaison and illegitimate descent

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Important facts

Born
1083, Jaca
Birth century
Nationality
Kingdom of Aragon
Also known as
Pedro de Atares

People in Pedro de Atarés's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Pedro de Atarés's

Frequently asked questions

Who was Pedro de Atarés?

Nobleman, pretender to the throne of the Kingdom of Aragón

When was Pedro de Atarés born?

Pedro de Atarés was born in 1083 in Jaca.

When did Pedro de Atarés die?

Pedro de Atarés died on 21 February 1151 in Borja.

What nationality was Pedro de Atarés?

Pedro de Atarés's recorded nationality: Kingdom of Aragon.

Sources & further reading

· Wikipedia: Pedro de Atarés

· Wikidata: Q6070437

· DBpedia: Pedro de Atarés

Cite this page

APA: Biography.guide. (2026). Pedro de Atarés. https://biography.guide/pedro-de-atares/

MLA: "Pedro de Atarés." Biography.guide, https://biography.guide/pedro-de-atares/.

Chicago: "Pedro de Atarés." Biography.guide. https://biography.guide/pedro-de-atares/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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