Question: Who is the maternal grandfather of Princess Caroline Napoléon?
Sentence (from "Princess Béatrice of Bourbon-Two Sicilies"): Princess Béatrice Marie Caroline Louise Françoise of Bourbon-Two Sicilies (born 16 June 1950 in Saint-Raphaël, Var, France) is the eldest daughter of Prince Ferdinand, Duke of Castro, Castro-line claimant to the headship of the House of Bourbon-Two Sicilies, and his wife, Chantal de Chevron-Villette.
Relevant evidence: Yes