Chang Ya-juo
Encyclopedia
Chang Ya-juo was the mistress of Chiang Ching-kuo
and bore two sons for him, Winston Chang
and John Chiang in 1941. The twins took their mother's surname as they were born out of wedlock. Chang died under mysterious circumstances in 1942 and the twins were raised by Chang's brother.
Chiang Ching-kuo
Chiang Ching-kuo , Kuomintang politician and leader, was the son of President Chiang Kai-shek and held numerous posts in the government of the Republic of China...
and bore two sons for him, Winston Chang
Winston Chang
Winston Hsiao-tzu Chang was a president of Soochow University in Taipei.-Biography:He and his twin brother, John Chang, were born the sons of Chiang Ching-kuo and Chang Ya-juo in Guilin, but took their mother's surname as they were born out of wedlock, although they both were given the generation...
and John Chiang in 1941. The twins took their mother's surname as they were born out of wedlock. Chang died under mysterious circumstances in 1942 and the twins were raised by Chang's brother.