Партия социалистов-революционеров
Nina's parents were educated professionals. Her father, Sergei Rybin-Lugovskoi, was an economist and passionate supporter of the Socialist Revolutionary Party, while her mother, Lyubov Lugovskaya, was an educator. Nina had two older twin sisters, Olga and Yevgenia (also called Lyalya and Zhenya), born in 1915.