https://en.wikipedia.org/wiki/Alfonso_IX_of_León
Fernando Alfonso de León (c. 1214 /1218 – Salamanca, 10 January 1278), archdeacon of the Cathedral of Santiago de Compostela, who had issue with Aldara de Ulloa. Alfonso also had a relationship with a noblewoman from Portugal, Aldonza Martínez de Silva , daughter of Martim Gomes da Silva and his wife Urraca Rodrigues, [30] which lasted from ...