In 1809 Beaumont commanded the Reserve Division under Marshal François Christophe de Kellermann. Based at Frankfurt-on-the-Main, the all-arms unit consisted of 826 men from elite companies of line and light infantry regiments, 1,251 Württemberg infantry, 527 Bavarian infantry, a 160-man foot artillery company with eight guns, and the following provisional dragoon regiments, 1st - 697 sabers, 2nd - 669 sabers, 3rd - 515 sabers, 4th - 771 sabers, and 5th - 792 sabers. This force did not fight at the Battle of Wagram.