In Hong Kong, the Indigenous inhabitants of the New Territories are defined in the Sino-British Joint Declaration as people descended through the male line from a person who was in 1898, before Convention for the Extension of Hong Kong Territory. There are several different groups that make of the Indigenous inhabitants, the Punti, Hakka, Hoklo, and Tanka. All are nonetheless considered part of the Han Chinese majority, although some like the Tanka have been shown to have genetic and anthropological roots in the Baiyue people, the pre-Han Chinese inhabitants of Southern China.