Bourbon-Parma is the house to which Prince Xavier belonged. This house is a cadet branch of the House of Bourbon, which originated in the Duchy of Parma in 1748. The house has played a significant role in European history, with its members ruling over various territories, including Parma, Lucca, and Etruria.
Prince Xavier, Hereditary Duke of Parma Quiz: How Much Do You Really Know About Prince Xavier, Hereditary Duke of Parma?