Lev Lvovich Sedov was the first son of the Soviet communist leader Leon Trotsky and his second wife Natalia Sedova. He was born when his father was in prison facing life imprisonment for having participated in the Revolution of 1905. Wikipedia
Born: February 24, 1906, Saint Petersburg, Russia
Died: February 16, 1938 (age 31 years), Paris, France
Parents: Leon Trotsky and Natalia Sedova
Aunts: Olga Kameneva and Elizaveta Melman
Cousins: Alexander L. Kamenev and Yuri Kamenev
Grandparents: David Leontyevich Bronstein and Anna Bronstein
Uncle: Aleksandr Bronstein