Grethe kacha mma aha pụtara: Eru, Obodo, Emesapụ aka, Oké njọ, Iwe. Nweta Grethe pụtara aha.
Caspar kacha mma aha nna pụtara: Iwe, Emesapụ aka, Oge a, Enyi na enyi, Okike. Nweta Caspar 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 Caspar: Mary, Charlene, Carlton, Hayley, Dorothy. Nweta Aha na-aga na Caspar.
Ndakọrịta nke Grethe na Caspar bụ 75%. Nweta Ndakọrịta nke Grethe na Caspar.