 Complete the following phrase:  In 1808 he was made colonel of a regiment of Veliti a cavallo in the army of the Napoleonic Kingdom of Naples. In 1810, a French Colonel Durand seeking to reassign several of the best cavalrymen in the Dukes regiment to a new regiment of Cuirassiers Durand had been ordered to form, the Duke felt himself affronted at having his men stolen and challenged Durand to a duel over the transfer. The two men met on horseback in full uniform and charged each other with sabres twice before Roccaromanas blade cut a wound along his opponents arm and the affair was ended in the Dukes favour. In 1812, he was appointed by Murat to be his Grand Equerry. He accompanied his king on the 