Sieffre kacha mma aha pụtara: Kechioma, Okike, Emesapụ aka, Oge a, Eji obi ụtọ. Nweta Sieffre pụtara aha.
Doerr kacha mma aha nna pụtara: Emesapụ aka, Oge a, Kechioma, Oké njọ, Enyi na enyi. Nweta Doerr pụtara aha nna.
Sieffre si malite aha mbụ. Welsh form of Geoffrey. Nweta Sieffre si malite aha mbụ.
Agakọta aha maka Sieffre na mba dị iche iche na-asụ asụsụ: Fredo, Gaufrid, Geffrey, Geoff, Geoffrey, Geoffroi, Geoffroy, Gisilfrid, Gjord, Gjurd, Godafrid, Godefroy, Godfrey, Godfried, Godofredo, Godtfred, Goffredo, Gofraidh, Goraidh, Gottfrid, Gottfried, Guðfriðr, Jeff, Jeffery, Jeffrey, Jeffry, Jep, Joffrey, Séafra, Siothrún, Walahfrid. Nweta Sieffre na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Doerr: Demarcus, Jeffery, Jeffrey, Dean, Mandi. Nweta Aha na-aga na Doerr.
Ndakọrịta nke Sieffre na Doerr bụ 84%. Nweta Ndakọrịta nke Sieffre na Doerr.