MOSCOW, November 3 (RIA Novosti) - Joseph Alliluyev, the son of Joseph Stalin's daughter Svetlana, died in Moscow on Sunday.
Alliluyev, born in 1945, was the only grandson of Stalin to have met the Soviet dictator. He worked as a cardiologist, and published over 150 papers on heart disease.
He kept a low profile throughout his life, never giving interviews.
Svetlana Alliluyeva, aged 82, Stalin's only daughter, defected to the United States in 1967 and has U.S. citizenship.