Princess Maria Vyazemskaya, married to London businessman Konstantin Bolotov, was the mother of pilot Serge Vincent Bolotov. She belonged to the Russian family of Vyazemskys, and her surname is most often mentioned in English as Wiasemsky, and sometimes written as Viasemsky. In documents, the princess's son and his wife Rosalie are listed under the surnames de Bolotoff and Viasemsky.