Oghuz Turks
"Oğuz" was used both as given names and as names of some of the Turkish clans. Oghuz Turks are the southwestern branch of Turkish clan system. "Gökoğuz" was a group of Oghuz Turks who migrated to northwest and were the ancestors of the modern Gagauz people. There are also groups named as Üçoğuz (Three Oğuz), Sekizoğuz (Eight Oğuz), Dokuzoğuz (Nine Oğuz), etc.