Whakaotihia te rerenga e whai ake nei: I whanau a Kaulbars i Mödders i te Kawana o Estonia ki a Baron Hermann Wilhelm von Kaulbars me Alexandrine Emilie me tetahi tuakana, a Nikolai Reinhold Friedrich. I tipu ake a Alexander raua ko Nikolai i Saint Petersburg, he whakapono Lutheran hoki. I ahu mai ia i te rangatira Tiamana Baltic o te putake o Pomeranian. Ko te whānau he rangatira o Huitene. Ko tana papa me tana tuakana i eke ki te taumata o te rangatira o te ope a Imperial Russian. I whakaakona ia i te Kura Kaitautoko o Nikolaev. Ko tana wheako tuatahi i roto i te whawhai i te tau 1861, i a ia e mahi ana me te Egersky Guards Regiment i te aukati i te
Te whakaekenga o Poari.