Ancestors of Ayutthaya and Nakhon Ratchasima province migrated from East Beach bar: chanthaburi, Rayong, Nakhon nayok, etc. In the area of the Nakhon Ratchasima province and neighboring areas, and harmonious with the traditional indigenous groups.
Their ancestors emigrated from Ayutthaya Thai Korat. And the eastern coastal provinces including Nakhon Nayok Nakhon Ratchasima province, comes into the neighborhood. And mingled with the native people.
The ancestors of the Zabrze Korat migrated from Ayutthaya. And the east coastal provinces, namely, Chanthaburi, Rayong, Nakhon Nayok, etc. in บริเวณจังหวัดนครราชสีมา and the nearby areas. And assimilation with local original.