Nikolai Nikolaevich Luzin was born in Irkutsk, and his birthplace was not, as is incorrectly stated in a number of sources, Tomsk. Nikolai's father was a businessman, half Russian and half Buryat. Nikolai was the only son of his parents and the family moved to Tomsk when he was about eleven years old so that he could attend the Gymnasium there.
ATTENTION - Automatic na salin mula sa Tagalog na bersyon Nikolai Nikolaevich Luzin ay ipinanganak sa Irkutsk, at ang kanyang lugar ng kapanganakan ay hindi, bilang ay hindi tama ang nakalagay sa isang bilang ng mga pinagkukunan, Tomsk. Nikolai's ama ay isang negosyante, kalahati Russian at kalahati Buryat. Nikolai ay ang anak lamang ng kanyang mga magulang at ang pamilya inilipat sa Tomsk kapag siya ay tungkol sa labing-years old na kaya siya ay dumalo ang himnasyo doon.