Question: Which political party did the son of Lev Sedov become the leader of?
Sentence (from "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.
Relevant evidence: Yes