 Complete the following phrase:  Amey was put in command of the Ardennes department in the 2nd Military Division until 1806. At the beginning of the War of the Fourth Coalition in September 1806, he was put in command of an infantry brigade in Étienne Heudelet de Bierres 2nd Division in Marshal Pierre Augereaus VII Corps. The brigade consisted of three battalions of the 7th Light Infantry Regiment. The 7th Light was engaged at the Battle of Jena on 14 October 1806. He fought at the 