 On the outbreak of the revolution of 1848 he held the Tuileries long enough to cover the king's retreat, but refrained from initiating active measures against the mob.He followed his sister-in-law, Hélène, Duchesse d'Orléans, and her two sons to the chamber of deputies, but was separated from them by the rioters, and only escaped finally by disguising himself in the uniform of a national guard.He embarked for England, where he settled with his parents at Claremont.