Grethe kacha mma aha pụtara: Eru, Obodo, Emesapụ aka, Oké njọ, Iwe. Nweta Grethe pụtara aha.
Matson kacha mma aha nna pụtara: Ifịk, Enyịn, Enyi na enyi, Kechioma, Eru. Nweta Matson 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 Matson: Tomeka, Jason, Richard, Elsie, Hanna, Richárd. Nweta Aha na-aga na Matson.
Ndakọrịta nke Grethe na Matson bụ 72%. Nweta Ndakọrịta nke Grethe na Matson.