Abramovich’s family is of Ashkenazi Jewish descent. His mother, Irina Vasilievna Abramovich (née Mikhailenko), was a music teacher who died when Roman was 1 year old. His father, Aron (Arkady) Abramovich Leibovich (1937−1969), worked in the economic council of the Komi ASSR.Roman’s maternal grandparents were Vasily Mikhailenko and Faina Borisovna Grutman, both born in Ukraine. It was to Saratov in the early days of World War II that Roman’s maternal grandmother fled from Ukraine. Irina was then three years old.