His place of birth is sometimes identified as the Ukrainian town of Bila Tserkva, where Korvin-Piotrovskii spent much of his childhood.
In addition to Ofrosimov, Korvin-Piotrovskii and Sirin, members included Raisa Blokh, Nina Korvin-Piotrovskaia (née Kaplun), Véra Nabokov, and Sofiya Pregel.
Vladimir and Nina Korvin-Piotrovskii left Germany before World War II began.
His fellow prisoners included the French writer André Frossard, whose memoir La maison des otages documents this time period.
Vladimir and Nina Korvin-Piotrovskii were close friends with Italo and Leila Griselli and visited them many times in Italy.