Mezue ahịrịokwu na-esonụ: A mụrụ ya na 8 Nọvemba 1754 nye nne na nna Balthazar D'Allemagne (1710<unk>1772) na Marie Lasalle (1731<unk>1799), Claude D'Allemagne toro na Peyrieu, Ain, France. Otu afọ mgbe nna ya nwụsịrị, o debanyere aha n'Òtù Ndị Agha Hainaut, na-ewere Dallemagne dị ka aha ezinụlọ ọhụrụ ya. Na 1777, ndị agha ya banyere ụgbọ mmiri na West Indies na Comte d'Estaing ụgbọ mmiri. Ọ lụrụ ọgụ na Dominica, St. Vincent, Grenada, na St. Lucia, merụrụ ahụ na ọgụ nke ikpeazụ. N'afọ 1779, o sonyere n'ọgba aghara ahụ mere ihe ọjọọ.
Mgbukpọ nke Savannah na Georgia. Ka ọ na-erule afọ 1786, e buliri ya n'ọkwa sergeant-major.