History:
Rongpi: This surnames spread was likely a mix of people choosing to move and being forced to move. Better farmland or jobs might have lured them to new areas. Marriages outside their hometowns would also spread this surname. Sadly, forced moves due to wars, hunger, or political problems are also possible. The name itself might have changed slightly in spelling or pronunciation as it traveled, showing how migration and cultures mix.
Description:
Finding those variations would need a lot of digging through old documents.
