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Tello de Castilla, Lord of Aguilar de Campoo

1337 – 1370

Castilian noble

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About Tello de Castilla, Lord of Aguilar de Campoo

Lived 1337 – 1370 (aged 32–33).

Tello Alfonso of Castile (1337 – October 1370) was the seventh of the ten illegitimate children of Alfonso XI of Castile and Eleanor of Guzman. He was a prince of Castile and First Lord of Aguilar de Campoo. In Spanish he is known as Tello de Castilla, Infante de Castilla; Señor de Aguilar de Campoo, de Vizcaya, de Castañeda y de Lara.

Biography He was born in Seville. He participated along with his brothers in the struggles against the despotic rule of his half-brother Pedro of Castile also known as Pedro the Cruel.

Family In 1353 he married Juana of Lara (daughter of Juan Núñez III de Lara), but she was reportedly murdered in 1359, on orders of King Peter (Pedro the Cruel). Tello and Juana had no legitimate children. It is reported that Tello kept the news of her death secret in order to maintain possession of her dowry.

Tello had many illegitimate children: Juan Tellez de Castilla, Señor de Aguilar de Campoo (1355-1385). He died at the Battle of Aljubarrota. From his marriage to Leonor Lasso de la Vega arose the Marquesses of Aguilar de Campoo (Grandees of Spain). Alfonso Tellez de Castilla, b. 1365 Pedro Enríquez de Castilla, Señor de Camporredondo, b. 1370 Fernando Tellez de Castilla Constanza Tellez de Castilla Leonor Tellez de Castilla Isabel Tellez de Castilla Juana Tellez de Castilla María Tellez de Castilla

Ancestors

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Important facts

Born
1337, Mérida
Birth century
Nationality
Crown of Castile
Also known as
Tello Alfonso of Castile

Family & relationships

Spouse
Juana of Lara
Parent
Alfonso XI of Castile
Parent
Eleanor of Guzman

People in Tello de Castilla, Lord of Aguilar de Campoo's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Tello de Castilla, Lord of Aguilar de Campoo's

Frequently asked questions

Who was Tello de Castilla, Lord of Aguilar de Campoo?

Castilian noble

When was Tello de Castilla, Lord of Aguilar de Campoo born?

Tello de Castilla, Lord of Aguilar de Campoo was born in 1337 in Mérida.

When did Tello de Castilla, Lord of Aguilar de Campoo die?

Tello de Castilla, Lord of Aguilar de Campoo died on 15 October 1370 in Medellín.

What nationality was Tello de Castilla, Lord of Aguilar de Campoo?

Tello de Castilla, Lord of Aguilar de Campoo's recorded nationality: Crown of Castile.

Sources & further reading

· Wikipedia: Tello de Castilla, Lord of Aguilar de Campoo

· Wikidata: Q1398489

· DBpedia: Tello Alfonso

Cite this page

APA: Biography.guide. (2026). Tello de Castilla, Lord of Aguilar de Campoo. https://biography.guide/tello-de-castilla-lord-of-aguilar-de-campoo/

MLA: "Tello de Castilla, Lord of Aguilar de Campoo." Biography.guide, https://biography.guide/tello-de-castilla-lord-of-aguilar-de-campoo/.

Chicago: "Tello de Castilla, Lord of Aguilar de Campoo." Biography.guide. https://biography.guide/tello-de-castilla-lord-of-aguilar-de-campoo/.

Data last updated: 2026-10-01 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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