Sancho Alfonso of Castile (1342–1374), known in

Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Cana ...

as ''Don Sancho Alfonso de Castilla'', was Infante of Castile, 1st Count of Alburquerque. He was the ninth of the ten illegitimate children of

Alfonso XI of Castile Alfonso XI (13 August 131126 March 1350), called the Avenger (''el Justiciero''), was King of Castile and León. He was the son of Ferdinand IV of Castile and his wife Constance of Portugal. Upon his father's death in 1312, several disputes en ...

and Leonor de Guzmán. He was born in

Seville Seville (; es, Sevilla, ) is the capital and largest city of the Spanish autonomous community of Andalusia and the province of Seville. It is situated on the lower reaches of the River Guadalquivir, in the southwest of the Iberian Peninsula ...

. He participated in a revolt of the Castilian nobles against the

despotic Despotism ( el, Δεσποτισμός, ''despotismós'') is a form of government in which a single entity rules with absolute power. Normally, that entity is an individual, the despot; but (as in an autocracy) societies which limit respect an ...

rule of his brother,

Peter of Castile Peter ( es, Pedro; 30 August 133423 March 1369), called the Cruel () or the Just (), was King of Castile and León from 1350 to 1369. Peter was the last ruler of the main branch of the House of Ivrea. He was excommunicated by Pope Urban V for ...

. In 1373 he married

Beatrice of Portugal Beatrice ( pt, Beatriz, ; 7–13 February 1373 – ) was the only surviving legitimate child of King Ferdinand I of Portugal and his wife, Leonor Teles. She became Queen consort of Castile by marriage to King John I of Castile. Following her fath ...

, daughter of

Peter I of Portugal Peter I (Portuguese: ''Pedro I'', ; 8 April 1320 – 18 January 1367), called the Just (''o Justiceiro'') or the Cruel (''o Cruel''), was King of Portugal from 1357 until his death. He was the third but only surviving son of Afonso IV of Portuga ...

and

Inês de Castro Inês de Castro (; in Castilian: Inés; 1325 – 7 January 1355) was a Galician noblewoman and courtier, best known as lover and posthumously-recognized wife of King Peter I of Portugal. The dramatic circumstances of her relationship with Peter ...

. They had two children: Fernando Sánchez, 2nd Count of Alburquerque, and

Eleanor of Alburquerque Eleanor, 3rd Countess of Alburquerque (1374 – 16 December 1435) was Queen of Aragon by her marriage to Ferdinand I of Aragon. In Spanish, she is known as ''Leonor Urraca de Castilla, condesa de Alburquerque''. She was the regent of Aragon ...

, who married

Ferdinand I of Aragon Ferdinand I (Spanish: ''Fernando I''; 27 November 1380 – 2 April 1416 in Igualada, Òdena) named Ferdinand of Antequera and also the Just (or the Honest) was king of Aragon, Valencia, Majorca, Sardinia and (nominal) Corsica and king of Sicily ...

. He also had an illegitimate daughter, Leonor Sánchez de Castilla, who had a liaison with her first cousin Fadrique de Castilla, 1st Duke of Benavente, illegitimate son of

Henry II of Castile Henry II (13 January 1334 – 29 May 1379), called Henry of Trastámara or the Fratricidal (''el Fratricida''), was the first King of Castile and León from the House of Trastámara. He became king in 1369 by defeating his half-brother Peter the ...

with mistress Beatriz Ponce de León.

Ancestors

References

* Francisco de Moxó y de Montoliu, ''Estudios sobre las relaciones entre Aragón y Castilla'', 1997, 1342 births 1375 deaths People from Seville 14th-century Castilians Counts of Spain Spanish people of Portuguese descent Spanish people of Italian descent Castilian House of Burgundy Sons of kings {{DEFAULTSORT:Sancho of Castile (1342-1374)