Question: Who is the paternal grandfather of Infanta Isabel Fernanda Of Spain?
Sentence (from "Infanta Isabel Fernanda of Spain"): Infanta Isabel Fernanda of Bourbon (18 May 1821 – 8 May 1897), was a Spanish princess and the eldest child of Infante Francisco de Paula of Spain and of his niece, Princess Louise Charlotte of Bourbon-Two Sicilies.
Relevant evidence: Yes