Doña Sancha Alfonso of León was a foundress of the Church of Santa Eufemia de Cozuelos, Olmos de Ojeda and a member of the Castilian House of Ivrea as the illegitimate daughter of King Alfonso IX of León and his mistress, Teresa Gil de Soverosa.
- Occupation
- nun, Commander
- Citizenship
- Kingdom of Leon
- Born
- 1220
- Died
- July 25, 1270