Which woman was the sister of XXX?
Soong Ai-ling
Soong Ai-ling (traditional Chinese: 宋藹齡; simplified Chinese: 宋蔼龄; pinyin: Sòng Àilíng), or Eling Soong (June 14, 1888 -- October 18, 1973) was the eldest of the Soong sisters and the wife of H. H. Kung (Kung Hsiang-Hsi), who was the richest man in the early 20th century Republic of China.