Ramba uchiverenga ndima ino - Apo Batavian Republic yakava Umambo hweHolland muna 1806, Van Merlen akawana nyasha naMambo Louis uye akaitwa Lieutenant Colonel muRoyal Guard Hussars musi wa 23 October 1806. Mazuva matatu gare gare akanga achifamba neuto reDutch kupinda muGermany kutsigira mauto eFrance muhondo nePrussia
. Akaona basa pedyo Ertzen musi 7 November 1806 uye akadzinga Prussian vanguard kupinda Hamelin. Zvisinei, kukakavadzana kwakamuka pakati paLouis nomunun'una wake Napoleon izvo zvakaguma nokuendeswa kweRoyal Guard kuThe Hague pasina mamwe matanho.