LAU is a 100% Chinese name. I saw the Rabbi's photograph and he is definitely not Chinese.
What an odd co-inkydink.
Not sure what you’re saying here. If this rabbi’s name is Lau, andhe’s not Chinese, then Lau is not a q100% Chinese name.
I looked up Lau on the Wold Name Public Profiler, and found “hot spots” for surname LAU in both Germany and Australia.
http://worldnames.publicprofiler.org/Default.aspx
Lau is Yiddish for ‘lion’, I think.
Leo in English, Aryeh in Hebrew, etc.