Sirena kacha mma aha pụtara: Emesapụ aka, Enyịn, Okike, Oge a, Enyi na enyi. Nweta Sirena pụtara aha.
Herzer kacha mma aha nna pụtara: Emesapụ aka, Oge a, Oké njọ, Eji obi ụtọ, Ifịk. Nweta Herzer pụtara aha nna.
Kasị nkịtị surnames na aha Sirena: Fruth, Millets, Monsay, Puchalla, Neifert. Nweta List of surnames na aha Sirena.
Kasị nkịtị aha na aha ikpeazụ Herzer: Raymon, Ingrid, Adelaida, Alia, Sirena. Nweta Aha na-aga na Herzer.
Ndakọrịta nke Sirena na Herzer bụ 82%. Nweta Ndakọrịta nke Sirena na Herzer.