The Nobiliario of Pedro Conde de Barcelos names "D. Alonso Tellez de Meneses, D. Tello Alonso, D. Mayor Alonso, D. Teresa Alonso" as the children of "D. Alonso Tellez el viejo" and his wife "D. Elvira o Teresa Roiz Giroa". It is unclear why Alfonso is known by the patronymic Téllez and not Alfonso, but the documentation quoted below clarify that this person was the son of Alfonso Téllez. "Tello Alfonso III señor de Meneses y…su hermano Alfonso Téllez" donated property to the Order of Santiago by charter dated 17 Mar 1232. A charter dated May 1252 records a peace agreement between "Alfonso Téllez de Meneses" and "su hermano Alonso Alonso de Meneses", both "hijos…de Alfonso Téllez, el primero de doña Elvira Rodríguez Girón su primera mujer, y el segundo de doña Teresa Sánchez su segunda mujer". The dating clause of a charter dated 18 Jul 1241, under which "Guter Pedrez et uxor mea dona Xemena" sold property to the prior of San Nicolás de Real Camino, names "…Alfonso Telez tenente Ceia e Graiar…". "Don Rodrigo Gomez con mia muyer dona Maor Alfonso" confirmed the donation of villa Acevedo to San Nicolás de Real Camino, made by "don Alfonso Telez padre de dona Maor Alfonso", by charter dated 19 Apr 1247, the dating clause of which names "…Don Alfonso Telez teniente Cea e Grayar". "Don Alfonso Tellez" declared his protection over San Nicolás de Real Camino to the alcalde of Alburquerque by charter dated 14 Sep 1256.
Señor de Meneses, San Roman and Villanueva. The testament of "Don Gómez Roiz", dated 8 Mar 1275, names "…mio sobrino don Alffonso Tellez". 1
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