Which political party did the son of Lev Sedov become the leader of?
Lev Sedov: Lev Lvovich Sedov (Russian: Лев Львович Седов , also known as Leon Sedov; 24 February 1906 – 16 February 1938) was the son of the Russian Communist leader Leon Trotsky and his second wife Natalia Sedova. Leon Trotsky:  Initially supporting the Menshevik Internationalists faction within the Russian Social Democratic Labour Party, he joined the Bolsheviks ("majority") just before the 1917 October Revolution, immediately becoming a leader within the Communist Party.
Communist Party