Yakov Iosifovich Dzhugashvili was the eldest son of Joseph Stalin, the only child of Stalin's first wife, Kato Svanidze, who died nine months after his birth. His father, then a young revolutionary in his mid-20s, left the child to be raised by his late wife's family. In 1921, when Dzhugashvili had reached the age of fourteen, he was brought to Moscow, where his father had become a leading figure in the Bolshevik government, eventually becoming head of the Soviet Union. Disregarded by Stalin, Dzhugashvili was a shy, quiet child who appeared unhappy and attempted suicide several times as a youth. Married twice, Dzhugashvili had three children, two of whom reached adulthood.

Joseph Vissarionovich Stalin was a Georgian-born Soviet politician and revolutionary who was the longest-serving leader of the Soviet Union from 1924 until his death in 1953. He held power as General Secretary of the Communist Party from 1922 to 1952, and as Chairman of the Council of Ministers from 1941 until his death. Initially governing the country as part of a collective leadership, Stalin consolidated his power to become a dictator by the 1930s. Ideologically, he formalised his Leninist interpretation of Marxism as Marxism–Leninism, while the political and economic system he implemented is known as Stalinism.