Probably the same as Lud (2) (comp. Gen. 10:13; 1 Chr. 1:11). They are associated (Jer. 46:9) with African nations as mercenaries of the king of Egypt.
Easton’s Bible Dictionary
Ludim
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.