https://www.britannica.com/biography/Joseph-Bonaparte
Joseph Bonaparte, original Italian Giuseppe Buonaparte, (born January 7, 1768, Corte, Corsica—died July 28, 1844, Florence, Tuscany, Italy), lawyer, diplomat, soldier, and Napoleon I’s eldest surviving brother, who was successively king of Naples (1806–08) and king of Spain (1808–13).