Question: Who is Fadrique Alfonso, Lord Of Haro's paternal grandmother?
Sentence (from "Fadrique Alfonso, Lord of Haro"): Fadrique Alfonso of Castile, 1st Señor de Haro (1334–1358), 25th Master of the Order of Santiago (1342–1358), was the fifth illegitimate child of Alfonso XI of Castile and Eleanor of Guzman.
Relevant evidence: Yes