 However, as the Legion was never fully formed and was disbanded in 1801, Zeydlitz was attached to a cavalry regiment of Col. Rożniecki.With that unit he returned to Italy, where he took part in the war against the 3rd coalition.Dispatched to Poland, he arrived to Warsaw where Prince Józef Poniatowski accepted him back into the reformed Polish Army and to a new corps formed under the command of Gen. Zajączek.