There are two fan origin:

1, the fan from QiXing.According to the ancient and modern surnames book syndrome differentiation "and" yuanhe surname code "contained, emperor yao xia Wang Kongjia Sun Liulei things, grant's royal dragon.After moving lu county, to the contractor for pigs wechsler.At countries in the tang dynasty, king cheng of zhou tang, moving du, as Du Bo.Du Bo innocent slain, his son ran jin for judges, for his work to the great-great-grandson of fan (now henan he finds), hence the surname principality fan for sons.2, other national the surname.Jin, na bears the cities (ancient name, which is also called champa, haunts in central and southern Vietnam) today Wang Fanwen, change for the Vietnamese Chinese surname fan;When gold jurchen BeiLu's operation, there are three Chinese surname, one for the fan;Another full, Beijing, yi and chang, tujia, Mongol, hui nationality have the family name.

2, surname ancestor and the will.After fan from QiXing, emperor yao Sun Liulei in Zhou Weitang pharmacology.Zhou Xuan wang, doctor Du Bo killed innocent, its a son xi tertiary, fled to the state of jin, was appointed judges (judges).Xi tertiary great-grandson would, as on the state of jin army stud.In 593 BC, for the meritorious military service promoted to marshal ZhongJun, in charge of state affairs.And will get the principality (now shanxi jiexiu), then get the principality fan, say again so will, van, died after Shi Wu Zi, so also called Fan Wuzi.Hence for city's, son followed fann said.Fan chun Fan Shi surname ancestor for fan.