Of English, Chinese, and Austrian ancestry, Alexandra Manley (文雅麗) was born in Hong Kong, as the eldest of three daughters of Richard Nigel Manley (born in Shanghai, China on 11 August 1924 to a father of English and Chinese ancestry who died on 12 January 2010, buried 10 February 2010 in Liesing Cemetery, Vienna ) and Christa Maria Manley (born Christa Maria Nowotny in Austria in 1933 and died on 5 January 2023 in Vienna (Austria). Her father was an insurance company executive and her mother was the manager of a communications company. She was baptized at the Cathedral of Saint John, Hong Kong. She attended Quarry Bay Junior School (1969–1971), Glenealy School (1971–1974) and Island School (1974–1982), all in Hong Kong.