Kammala jumla mai zuwa: A farkon Yakin Ƙungiya ta Biyar, Doumerc ya umurci brigade a Nansouty ta 1st Heavy Cavalry Division wanda ya hada da 2nd Cuirassiers, 848 sabers, da tsohon 9th Cuirassiers, 875 sabers. Sarkin sarakuna Napoleon I na Faransa ya sanya sashin zuwa wani ad hoc corps karkashin jagorancin Marshal Jean Lannes. A cikin
Yaƙin Abensberg a ranar 20 ga Afrilu, 1809, rukunin ya fada kan brigades na Ludwig Thierry da Joseph, Baron von Mesko de Felsö-Kubiny kusa da Rohr a Niederbayern. Bayan da aka fara tsayayya, 'yan Austrian da suka fi yawa da kuma janar din sun gudu zuwa Rottenburg an der Laaber tare da cuirassiers suna kashe' yan gudun hijirar.