Grethe kacha mma aha pụtara: Eru, Obodo, Emesapụ aka, Oké njọ, Iwe. Nweta Grethe pụtara aha.
Duwell kacha mma aha nna pụtara: Enyịn, Oge a, Emesapụ aka, Okike, Eru. Nweta Duwell pụtara aha nna.
Grethe si malite aha mbụ. Short form of Margrethe. Nweta Grethe si malite aha mbụ.
Agakọta aha maka Grethe na mba dị iche iche na-asụ asụsụ: Gosia, Greet, Gréta, Greetje, Greta, Gretchen, Grete, Gretel, Gretta, Griet, Jorie, Märta, Maarit, Madge, Mae, Maggie, Maighread, Mairead, Mairéad, Maisie, Małgorzata, Małgosia, Mamie, Mared, Maret, Margaid, Margalit, Margalita, Margaréta, Margareeta, Margaret, Margareta, Margarete, Margaretha, Margarethe, Margaretta, Margarid, Margarida, Margarit, Margarita, Margaux, Marge, Marged, Margery, Margherita, Margie, Margit, Margita, Margo, Margot, Margrét, Margreet, Margriet, Margrit, Marguerite, Marit, Marita, Marje, Marjeta, Marjorie, Marjory, Markéta, Marketta, Marsaili, Marzena, May, Mayme, Meg, Megan, Meggy, Mererid, Merit, Meta, Midge, Mysie, Paaie, Peg, Peggie, Peggy, Peigi, Reeta, Reetta, Retha, Rita. Nweta Grethe na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Duwell: Dante, Mary, Sherrill, Eugenie, Lesley, Eugénie. Nweta Aha na-aga na Duwell.
Ndakọrịta nke Grethe na Duwell bụ 69%. Nweta Ndakọrịta nke Grethe na Duwell.