1. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
1. 到秦时,又有一批子姓人改汤姓。 In Qin Dynasty, some people of surname Zi adopted surname Tang.