 Complete the following phrase:  During the French invasion of Russia he served in the light cavalry of Davouts 1st corps. On 30 June he fought Barclay de Tollys vanguard at Soleschniki, and on 23 July commanded marshal prince dEckmuhls vanguard, made up of the 3rd regiment of chasseurs and one infantry regiment. At the head of that vanguard he captured Mohilev, 900 prisoners, the enemy magazines and baggage train, and over 600 oxen intended for prince Bagration. He fought again at Smolensk on 15 April 1812, at Borodino on 7 September receiving a broken-jaw from a long-range biscaïen shot and at 