Lud 

One of the five sons of Shem; the others being: Elam, Arphaxad, Asshur, and Aram.

Lud was a Shemite grandson of Noah. Lud should not be confused with Ludim descended from Mizraim. The descendants of Lud are said to have spread to areas of the far-east beyond Elam.

From Wikipedia, the free encyclopedia.
http://en.wikipedia.org/wiki/Lud_son_of_Shem