[throwaway48476]

Archeology suggests biblical Israel was actually a federation of tribes, some of which were enemies in early parts of the Bible. For example, the philistines which became one of the 12 tribes and also are the origin of the term Palestinian.

[breppp]

They never became an Israeli tribe, they were a people of a foreign origin, probably greek. They have disappeared from history after they were exiled by the babylonians, like most people of the area of that time.