"Don" Carlos, Duke of Madrid was the senior member of the House of Bourbon, a European royal house of French origin, a branch of what?
Carlos, Duke of Madrid: "Don" Carlos, Duke of Madrid (Spanish: "Carlos María de los Dolores Juan Isidro José Francisco Quirico Antonio Miguel Gabriel Rafael"; 30 March 1848 – 18 July 1909) was the senior member of the House of Bourbon from 1887 until his death. House of Bourbon: The House of Bourbon ( ; ] ) is a European royal house of French origin, a branch of the Capetian dynasty ( ).
Capetian dynasty