Herkus kacha mma aha pụtara: Ifịk, Oge a, Enyịn, Eji obi ụtọ, Enyi na enyi. Nweta Herkus pụtara aha.
Sylvester kacha mma aha nna pụtara: Oge a, Ifịk, Eji obi ụtọ, Emesapụ aka, Obodo. Nweta Sylvester pụtara aha nna.
Herkus si malite aha mbụ. Short form of Henrikas. Nweta Herkus si malite aha mbụ.
Aha ikpeazụ Sylvester kasị nkịtị na Grenada, Saint Lucia, Sierra Leone, Suriname, Trinidad na Tobago. Nweta Sylvester aha nna na-agbasa.
Agakọta aha maka Herkus na mba dị iche iche na-asụ asụsụ: Anraí, Anri, Arrigo, Eanraig, Einrí, Endika, Enric, Enrico, Enrique, Enzo, Hal, Hank, Harri, Harry, Heike, Heikki, Heiko, Heimirich, Hein, Heiner, Heinrich, Heinz, Hendrik, Hendry, Henk, Hennie, Henning, Henny, Henri, Henrich, Henricus, Henrik, Henrikki, Henrique, Henry, Henryk, Herry, Hinnerk, Hinrich, Hinrik, Hynek, Jindřich, Kike, Quique, Rico, Rik. Nweta Herkus na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Sylvester: Zelda, Lon, Jan, Ashley, Ryan, Ján. Nweta Aha na-aga na Sylvester.
Ndakọrịta nke Herkus na Sylvester bụ 78%. Nweta Ndakọrịta nke Herkus na Sylvester.