Question: Who is Princess Maria Antonietta Of Bourbon-Two Sicilies's father-in-law?
Sentence (from "Princess Maria Antonietta of Bourbon-Two Sicilies"): Princess Maria Antonietta of Bourbon-Two Sicilies (Maria Antonietta Giuseppina Leopoldina; 16 March 1851 – 12 September 1938) was a Princess of Bourbon-Two Sicilies by birth and by her marriage to Prince Alfonso, Count of Caserta, claimant to the defunct throne of the Two Sicilies.
Relevant evidence: Yes