Question: Who is Ferdinand Of Castile (Born 1238)'s paternal grandfather?
Sentence (from "Ferdinand III of Castile"): Places such as the cities of San Fernando, Pampanga and San Fernando, La Union; the Diocese of Ilagan and the San Fernando de Dilao Church in Paco, Manila in the Philippines; and in California, United States, the City of San Fernando and the San Fernando Valley, were all named after him (namesakes) and placed under his patronage.
Relevant evidence: No