Ghjuvan kacha mma aha pụtara: Eji obi ụtọ, Enyịn, Emesapụ aka, Oge a, Obodo. Nweta Ghjuvan pụtara aha.
Duppstadt kacha mma aha nna pụtara: Iwe, Kechioma, Oge a, Okike, Emesapụ aka. Nweta Duppstadt pụtara aha nna.
Ghjuvan si malite aha mbụ. Corsican form of John. Nweta Ghjuvan si malite aha mbụ.
Agakọta aha maka Ghjuvan na mba dị iche iche na-asụ asụsụ: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jackin, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Ghjuvan na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Duppstadt: Leatha, Kyle, Shane, Corrina, Rod. Nweta Aha na-aga na Duppstadt.
Ndakọrịta nke Ghjuvan na Duppstadt bụ 75%. Nweta Ndakọrịta nke Ghjuvan na Duppstadt.