 Refusing to "emigrate", he joined the staff of Charles Louis Victor de Broglie, prince de Broglie the Jacobin son of prince de Broglie.This nearly cost Desaix his life, but he escaped the guillotine, and by his conspicuous service soon came into favour with the Republican government.Like many other members of the old ruling classes who had accepted the new order, the instinct of command, joined to native ability, brought Desaix career success, and thus he had attained the command of a division in 1794.