Mezue ahịrịokwu na-esonụ: Mgbe mba Batavia ghọrọ alaeze Holland n'afọ 1806, Van Merlen nwetara ihu ọma n'aka Eze Louis ma mee Lieutenant Colonel na Royal Guard Hussars na 23 Ọktọba 1806. Mgbe ụbọchị atọ gachara, ya na ndị agha ndị Netherlands banyere na Jamanị iji kwado ndị agha France nọ n"ọgbọ agha.
agha na Prussia. Ọ hụrụ ọrụ n'akụkụ Ertzen na 7 Nọvemba 1806 ma chụpụ ndị agha Prussian n'ime Hamelin. Agbanyeghị, esemokwu bilitere n'etiti Louis na nwanne ya nwoke bụ Napoleon nke mere ka e weghachite Royal Guard na Hague n'enwetaghị ihe ọ bụla ọzọ.