In 1967 his daughter Svetlana Alliluyeva made big news when she defected to the U.S.
[DOC] [TLE] Stalin's only daughter, who defected to West, dies at 85 - U.S. News [PAR] Nov 28, 2011 ... Svetlana Alliluyeva, who was known as Lana Peters since 1970, died of colon 
cancer Nov. ...