Question: Who is the paternal grandfather of Diego López I De Haro?
Sentence (from "Diego López I de Haro"): María Sánchez has been called a sister of García Ordóñez, an impossibility in light of her patronymic; a daughter of Sancho Núñez, son of count Munio Sánchez, ruler of the Duranguesado; and a sister of Lope García Sánchez of the Llodio branch of the Ayala clan.
Relevant evidence: No