Kozlov married Elizabeth V. Kozlova, a woman 29 years his junior, who accompanied him on his final journey of exploration as the expedition ornithologist, and who was to publish many monographs and scientific papers on the avifauna of Central Asia.
Zorig's grandfather was a Russian geographer who had come to Mongolia as part of an expedition headed by Pyotr Kozlov.
Pyotr Bagration | Vladimir Kozlov | Pyotr Kapitsa | Pyotr Vyazemsky | Pyotr Stepanov | Pyotr Nikolsky | Pyotr Nikolayevich Wrangel | Pyotr Nesterov | Pyotr Leshchenko | Pyotr Krasnov | Pyotr Kozlov | Pyotr Kolodin | Nikolay Kozlov | Pyotr Suvchinsky | Pyotr Rumyantsev | ''Pyotr Potemkin'' by Godfrey Kneller | Pyotr Mikhaylovich Yershov | Pyotr Leshchenko (TV Series) | Pyotr Dolgorukov | Pyotr Demichev | Pyotr Blinov | Pyotr Aleksandrovich Tolstoy | Leonid Kozlov |
According to Pyotr Kozlov, who traveled in the Kham region in 1900-1901, Tibetans, who did not have any vegetables other than turnips, would often dig out roots of Argentina anserina