Trelliard led his division in a French victory at the Battle of Mormans (sometimes called Nangis) on 17 February 1814. The 4th, 14th, and 16th Dragoon Regiments fought during the engagement. On 23 and 24 February there was a clash at Troyes where the 21st and 26th Dragoons of Auguste Jean Joseph Gilbert Amiel's cavalry brigade defeated 3,600 Austrians. Amiel's brigade was part of François Étienne de Kellermann's VI Cavalry Corps. Treillard led the 5th Cavalry Division in Kellermann's corps in the Battle of Bar-sur-Aube on 26 and 27 February. The 4th and 14th Dragoon Regiments were engaged. The 4th, 14th, 16th, 17th, and 27th Dragoon Regiments fought at the Battle of Arcis-sur-Aube on 20 and 21 March 1814, though Trelliard was not specifically mentioned in the account. All six regiments that served under Trelliard in July 1813 are listed as being in Nicolas François Roussel d'Hurbal's 6th Dragoon Division on 30 March at the Battle of Paris.