Complex sentence: House of Bonaparte, House of Savoy, House of Aragon, House of Rurik, House of Capet, House of Hohenstaufen, House of Babenberg, Piast dynasty, the Duchy of Burgundy and the Austrian branch of the De Rothschild family.
Split into simpler sentences: House of Bonaparte, House of Savoy, House of Aragon, House of Rurik, House of Capet, House of Hohenstaufen, House of Babenberg and the Piast dynasty. He is also descended from the Duchy of Burgundy and the Austrian branch of the De Rothschild family.