Kwong Siu-hing

Family Kwong is the widow of Kwok Tak-seng, the founder of Sun Hung Kai Properties, and the mother of Walter, Thomas and Raymond, directors of the company. She moved from mainland China to British Hong Kong in 1947, on the eve of the Second Chinese Civil War.

According to the South China Morning Post, prior to her 2008 appointment as chairperson, she "had never sat on the board of a Hong Kong company". she stepped down from the position in late 2011. Walter Kwok also had a bitter rivalry with his brothers, which ended in division of the family fortune.

The Kwok family was ranked as the third in Forbes's 2017 Asia's Richest Families, with a net worth of US$40.4 billion. In a separate ranking, her sons Thomas and Raymond were collectively ranked as the fourth-richest in Hong Kong as of 2018 by the annual Forbes' Hong Kong's 50 Richest list; The two younger brothers were ranked as 77th in the 2018 list of The World's Billionaires, with a net worth of US$16.5 billion at that time. In February 2019, she ranked 78th in the Billionaires 2019 list and 5th in the Hong Kong's 50 Richest 2019 list with a net worth of US$15.1 billion.

Kwong's son Walter died on 20 October 2018.