 Complete the following phrase:  Sigismond Frédéric de Berckheim 9 May 1775  28 December 1817 became a French division commander during the last years of the Napoleonic Wars. Born into an old Alsatian family, he joined an infantry regiment at the age of 14. In 1807 he became the commanding officer of the 1st Cuirassier Regiment. In 1809 he led his cavalrymen at Eckmühl, Ratisbon, Aspern-Essling and Wagram. Promoted to general of brigade, he fought at First and Second Polotsk and the Berezina in 1812. He led a cavalry brigade at Lützen and Bautzen in 1813. Promoted to general of division, he led a cavalry division at Dresden, Leipzig and Hanau. He commanded a cavalry division at 