Mezue ahịrịokwu na-esonụ: A mụrụ Kaulbars na Mödders na Gọvanọ Estonia na Baron Hermann Wilhelm von Kaulbars na Alexandrine Emilie ma nwee nwanne nwoke tọrọ ya, Nikolai Reinhold Friedrich. Alexander na Nikolai toro na Saint Petersburg ma bụrụ ndị okpukpe Lutheran. O si n'agbụrụ Baltic German nke sitere na Pomeranian. Ezinụlọ ahụ si n'ezinụlọ ndị eze Sweden. Ma nna ya ma nwanne ya nwoke gbagoro n'ọkwa ndị ọchịagha na ndị agha Imperial Russian. Ọ gụrụ akwụkwọ n'ụlọ akwụkwọ Nikolaev Cavalry. Ahụmahụ mbụ ya n'agha bụ na 1861, mgbe ọ na-eje ozi na Egersky Guards Regiment na mkpochapụ nke
Ọgba aghara ndị Poland.