Who was the older brother of person whose guard formed the French Royal Guard?
Louis Bonaparte Louis Napoléon Bonaparte (born Luigi Buonaparte; 2 September 1778 – 25 July 1846) was a younger brother of Napoleon I, Emperor of the French. He was a monarch in his own right from 1806 to 1810, ruling over the Kingdom of Holland (a French client state roughly corresponding to the current Netherlands). In that capacity he was known as Louis I (Dutch: Lodewijk I; ] ).
François d'Orléans, Prince of Joinville François-Ferdinand-Philippe-Louis-Marie d'Orléans, prince de Joinville (14 August 1818 – 16 June 1900) was the third son of Louis Philippe, Duke of Orléans, afterwards king of the French and his wife Marie Amalie of Bourbon-Sicilies. He was an admiral of the French Navy, and a talented artist.