Who was the older brother of person whose guard formed the French Royal Guard?
Dutch grenadiers The Dutch grenadiers were a French guard regiment from 1810 until 1813. They were originally formed out of Louis Bonaparte's Royal guard.
Jacques-Marie, vicomte Cavaignac Jacques-Marie, vicomte Cavaignac (1773–1855) was a French general. He was the brother of Jean Baptiste Cavaignac.