Douglas, Martin. Lana Peters, Stalin’s Daughter, Dies at 85 (页面存档备份,存于互联网档案馆), New York Times, November 28, 2011. Retrieved November 29, 2011. "One of her brothers, Yakov, was captured by the Germans, who offered to exchange him for a German general. Stalin refused, and Yakov was killed."
Douglas, Martin. Lana Peters, Stalin’s Daughter, Dies at 85 (页面存档备份,存于互联网档案馆), New York Times, November 28, 2011. Retrieved November 29, 2011. "One of her brothers, Yakov, was captured by the Germans, who offered to exchange him for a German general. Stalin refused, and Yakov was killed."