Ghassanids
Ghassanids, are an Arab clan who came to the Levant from Yemen before Islam. Ghassanids were Christians. Some of them remain  Christians until modern days especially in Syria, Lebanon, Jordan, Palestine, and Israel. The Ghassanids were a puppet of the Byzantine Empire during the Byzantine-Sassanid wars during the war they fought against the Lakhmids. The Ghassanids were annexed by the Muslim Caliphate in the mid 600s AD.