Gretta uiga igoa sili: Laki, Agavaa, Gauai, Foafoa, Agalelei. Aumai Gretta uiga o le suafa.
Wiehe uiga faaiu sili: Foafoa, Agalelei, Toaga, Po nei, Volatile. Aumai Wiehe uiga o faaiu.
Gretta amataga o le igoa muamua. Variant of Greta. Aumai Gretta amataga o le igoa muamua.
E tusitusiga po o le auala e faalauiloa le igoa muamua Gretta: GRET-ə. E faapefea e faalauiloa Gretta.
Igoa tutusa mo Gretta i atunuu ma gagana eseese: Gosia, Greet, Gréta, Greetje, Greta, Gretchen, Grete, Grethe, Griet, Märta, Maarit, Maighread, Mairead, Mairéad, Maisie, Małgorzata, Małgosia, Mared, Maret, Margaid, Margalit, Margalita, Margaréta, Margareeta, Margareta, Margarete, Margaretha, Margarethe, Margarid, Margarida, Margarit, Margarita, Margaux, Marged, Margherita, Margit, Margita, Margot, Margrét, Margreet, Margrete, Margrethe, Margriet, Margrit, Marguerite, Marit, Marita, Marjeta, Markéta, Marketta, Marsaili, Marzena, Meggy, Mererid, Merete, Merit, Meta, Mette, Mysie, Reeta, Reetta, Rita. Aumai Gretta i isi gagana.
Surnames taatele ma igoa Gretta: Carrithers, Elsmore, Garlen, Gnabah, Sooper, Garlên. Aumai Lisi o surnames ma igoa Gretta.
O le tele o igoa tutusa ai ma faaiu Wiehe: Frank, Gerardo, Bertha, Eartha, Thomasine. Aumai Igoa e aumai faatasi Wiehe.
Ogatasi o Gretta ma Wiehe o 80%. Aumai Ogatasi o Gretta ma Wiehe.