No. 1, Li Ka-shing
Marital Status Widowed, 2 children
Billionaire nicknamed Superman lost half his net worth in past year as stock of his conglomerate Cheung Kong tumbled. Canadian oil firm Husky Energy, his second-biggest holding, cut spending by almost a third for 2009. His charitable foundation raised $510 million by selling 40% of its stake in Bank of China.
No. 2, Kwok family
Family behind one of Hong Kong's most storied real estate firms thrown into tumult even before property prices tumbled. Eldest brother Walter stepped down from 18-year chairmanship of Sun Hung Kai Properties last May, after disputing with his two younger siblings, Thomas and Raymond. Mother Kwong Siu-hing took over as chairman. Group opened a W hotel in Hong Kong in January. Family also has interests in telecom SmarTone-Vodafone and in city bus operator, KMB.
No. 3, Lee Shau Kee
Marital Status Divorced, 5 children
"Stock God of Asia" is proving mortal. His main holding, Henderson Land Development, lost three-fifths its value in past year. Donated $16 million for a library at Shanghai's Fudan University.
No. 4, Michael Kadoorie
Marital Status Married, 3 children
Chairs power supplier CLP Holdings, in which family is big shareholder. Last year announced plans for fourth wind farm in India and opened energy-efficient appliance store Eco Home. Also heads Hong Kong&Shanghai Hotels.
No. 5, Joseph Lau
Marital Status Divorced, 3 children
Chairman of property firm Chinese Estates Holdings boosted its profits thanks to well-timed equity sales. Upped personal stake in firm by 15 percentage points in past year. Lau's son resigned from board in October.
No. 6, Cheng Yu-tung
Marital Status Married, 4 children
Longtime billionaire has run New World Development since 1970; the stock of the developer, which has interests in infrastructure, retail, and telecom, had fallen almost two thirds in the past year. Cheng fled China in a boat during World War II and got his start in Macau as a clerk in the jewelry store. Cheng eventually married the store owner's daughter and helped him build Hong Kong's biggest jewelry chain, before eventually making a fortune in real estate development.
No. 7, Peter Woo
Marital Status Married
Heads Wheelock&Co, which owns landmarks like Hong Kong's Times Square and Harbour City. Holds advisory posts at JPMorgan Chase and General Electric. Daughter Jennifer leads family's Hong Kong luxury retailer Lane Crawford.
No. 8, Michael Ying
Marital Status Married, 3 children Former head of Esprit has sold almost $2 billion worth of shares in recent years. His remaining stake has lost more than half its value since last year. Remains nonexecutive director of apparel firm. Married to former Taiwanese movie star Brigitte Lin.
No. 9, Chen Din Hwa
Ningbo-born entrepreneur moved to Hong Kong in 1949. Made early fortune in textiles; become even richer in real estate. His Nan Fung Group has stakes in Singapore billionaire Ng Teng Fong's Sino Land and in Hong Kong's Lai Sun Development. Other interests in shipping, finance.
No.10, Ronnie & Gerald Chan
Ronnie heads property arm, Hang Lung Group, which paid $3 billion for mainland property in recent years. Vows to grab more land during downturn. Brother Gerald active in family investment arm Morningside Group. Mother also shares fortune.