liu (North China)
LIU is one of very big family in China. Most people with last name LIU is very successful, highly educated, and rich. Generally to say, LIU is from the very middle of China. It is very hard to know exactly where it came from. Certainly it is from a place which it has 4 different seasons, Spring, Summer(Very Hot), Fall(Leave Falls), and Winter(Snow, ice on lake, cold). Therefore, it is considered of NORTH CHINA, such it has snow, ice on lake. In order to learn "LIU" more about it, it needs to learn its charactor, LIU's CHAR has "GOLD" in it. Middle of China is around BEIJING(Peking), I think.
Because of 4 seasons reason, LIU can handle very hot and very cold.
About LIU in MANCHU(North East China), I don't know; however, there are so many LIU in North East China. And many places in North East China(Manchu), many old places have a name associated with LIU, such LIU's Villige. I don't know why. Anyway, LIU, this last name, is top 5 in China.