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; ] ).
Louis d'Elbée Maurice-Joseph-Louis Gigost d'Elbée (] ; 21 March 1752 – 6 January 1794) was a French Royalist military leader. Initially enthusiastic about the Revolution, he became disenchanted with the disestablishment of the Catholic Church and retired to his estates in Brittany. He was the second commander in chief of the "Royal and Catholic Army" formed by Royalist forces of the Vendean insurrection against the Republic and the French Revolution.