Adeline Yen Mah (Chinese: Yen Jun-ling; Pinyin: Mǎ Yán Jūnlíng; Yale (Cantonese): ma5 yim4 gwan1 ling4) (official birthday 30th November 1937, however real birthday not known, this is in fact her father's birthday) is a Chinese-American author and physician. She grew up in Tianjin, Shanghai and Hong Kong with an older sister, Lydia; three older brothers, Gregory, Edgar and James and a younger half brother, Franklin and half sister, Susan. Currently she divides her time between southern California and London. She is married to Professor Robert Mah and has two children.