Sancho Alfonso, 1st Count of Alburquerque

Sancho Alfonso, 1st Count of Alburquerque
Arms of Sancho of Castile
Spouse(s)	Beatrice of Portugal
Father	Alfonso XI of Castile
Mother	Eleanor of Guzman
Born	1342 Sevilla
Died	19 March 1374(1374-03-19) Burgos

Sancho, 1st Count of Alburquerque (1342–1374) is known in Spanish as Don Sancho Alfonso de Castilla, Infante de Castilla, 1. Conde de Alburquerque.

He was the ninth of the ten illegitimate children of King Alfonso XI of Castile and Lady Eleanor of Guzman.

He was born in Seville. He participated in a revolt of the Castilian nobles against the despotic rule of his brother Pedro of Castile.

In 1373 he married Beatrice of Portugal, daughter of Peter I of Portugal and Inês de Castro. They had two children: Don Fernando Sánchez, 2nd Count of Alburquerque, and Doña Eleanor of Alburquerque, who married Ferdinand I of Aragon.

He also had an illegitimate daughter, Doña Leonor Sánchez de Castilla.

References

Francisco de Moxó y de Montoliu, Estudios sobre las relaciones entre Aragón y Castilla, 1997, isbn 84-7820-387-7

• This article draws heavily on the September 2005 version of the corresponding article in the Spanish-language Wikipedia.