Bonaparte

Italian Buonaparte biographical name Corsican family including Napoléon I (q.v.) and his brothers: Joseph 1768-1844 king of Naples and Spain; Lucien 1775-1840 prince of Canino ; Louis 1778-1846 father of Napoléon III king of Holland; Jérôme 1784-1860 king of Westphalia

Merriam-Webster's Collegiate Dictionary