Question: Who is the paternal grandfather of Tello Alfonso, Lord Of Aguilar De Campoo?
Sentence (from "Tello Alfonso, Lord of Aguilar de Campoo"): In Spanish he is known as "Tello de Castilla, Infante de Castilla; Señor de Aguilar de Campoo, de Vizcaya, de Castañeda y de Lara".
Relevant evidence: No