Anyone know last names or know anything about origins of last names?

Question: Anyone know last names or know anything about origins of last names!?

My son is half Jewish and I know nothing about his last name!. His last name is ROTHENBERG!. I have no idea where it comes from!. Any idea!?Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Rothenberg:
German and Jewish (Ashkenazic): habitational name from any of numerous places named Rothenberg!.
Jewish (Ashkenazic): ornamental name from German Rot(en)berg ‘red mountain’

most immigrants with this last name come from Germany, with the next highest from Russia

also, here's a whole book on that last name
http://www!.amazon!.com/dp/B000W1HW9O!?tag=!.!.!.Www@QuestionHome@Com

Try www!.worldpublicprofiler!.org-world names, that might helpWww@QuestionHome@Com

A couple of variations on the name are Rosenberg and a shortening to Roth!.Www@QuestionHome@Com