Bulah kacha mma aha pụtara: Enyịn, Okike, Eru, Enyi na enyi, Eji obi ụtọ. Nweta Bulah pụtara aha.
Son kacha mma aha nna pụtara: Kechioma, Okike, Oké njọ, Obodo, Ifịk. Nweta Son pụtara aha nna.
Aha ikpeazụ Son kasị nkịtị na Cambodia, North Korea, South Korea, Uzbekistan, Vietnam. Nweta Son aha nna na-agbasa.
Kasị nkịtị surnames na aha Bulah: Talvy, Bartholemew, Province, Buchwalter, Helbostad. Nweta List of surnames na aha Bulah.
Kasị nkịtị aha na aha ikpeazụ Son: Jack, Shibin, Bulah, Tamlin, Jason. Nweta Aha na-aga na Son.
Ndakọrịta nke Bulah na Son bụ 68%. Nweta Ndakọrịta nke Bulah na Son.