 The Tangs are one of the region's oldest families and can trace their lineage back 30 generations in Hong Kong and 86 generations in China.In the New Territories, the clan stands about 25,000 strong.Sharing the same surname as the Deng in China, the Tangs of Hong Kong originated from Jishui of Jiangxi province and are considered to be native Hong Kong people, as they were the first immigrants to settle in what is now Hong Kong from what is now mainland China in the 11th century.