Costin kacha mma aha pụtara: Iwe, Obodo, Oké njọ, Oge a, Kechioma. Nweta Costin pụtara aha.
Costin si malite aha mbụ. Romanian short form of Constantin. Nweta Costin si malite aha mbụ.
Agakọta aha maka Costin na mba dị iche iche na-asụ asụsụ: Constantijn, Constantin, Constantine, Constantinus, Costantino, Cystennin, Gus, Konstantin, Konstantine, Konstantinos, Konstantyn, Kosta, Kostadin, Kostandin, Kostya, Kostyantyn, Stijn. Nweta Costin na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Costin: Stela. Nweta List of surnames na aha Costin.
Kasị nkịtị aha na aha ikpeazụ Veneri: Frederica, Edmond, Burl, Gus, Ned. Nweta Aha na-aga na Veneri.