With no male heirs, he is currently to be succeeded as Duke of Gravina by his unmarried brother Benedetto (b. 1956), then by his cousin Don Raimondo Orsini d'Aragona (b. 1931), whose heir is Don Lelio Orsini (b. 1981). Orsini-Rosenberg An Austrian princely family, the Rosenberg changed its name to Ursini-Rosenberg