He belongs to a cadet branch of the former royal dynasty of France (and current dynasty of Spain), the House of Bourbon, which ruled the independent Duchy of Parma in Italy until 1859, and reigns (patrilineally) today in Luxembourg.
He belongs to a line within the former royal family of France (now ruling Spain), the House of Bourbon, who previously governed the independent Duchy of Parma in Italy until 1859, and now rules in Luxembourg through his paternal ancestry.