Juliana Young Koo

Juliana Young Koo, born Yen Yu-yun (; September 26, 1905 – May 24, 2017), was a Chinese-American diplomat who worked in the UN Protocol Department. Her first husband, Chinese diplomat Clarence Kuangson Young, was assassinated by Japanese imperial forces during World War II. She became the long-term mistress for the diplomat and politician V.K. Wellington Koo, long before her husband's death. After the war, she moved to the United States, in 1956 Koo divorced his wife and married her. Provided by Wikipedia