Where somali's original came from?

Somali origins it is quite interesting topic, as some Somalis believe they are from different ethnic backgrounds like Arabs, Ethiopians, Iranians, Egyptians, Portuguese, Indians and Somali Bantus which are Minorities brought to somali few hundred years ago as Slaves in Agricultural Areas although there are few thoughts that some minorities also belong to Hebrew tribes and they are called yibir. See reference in wikipedia.

As a language somali language belongs to Afro-Asiatic languages it is part of khushitic languages. check wikipedia.