Ghjuvan kacha mma aha pụtara: Eji obi ụtọ, Enyịn, Emesapụ aka, Oge a, Obodo. Nweta Ghjuvan pụtara aha.
Roberrtson kacha mma aha nna pụtara: Oké njọ, Eru, Obodo, Ifịk, Oge a. Nweta Roberrtson 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 Roberrtson: Dimple, Jeannetta, Mina, Ruby, Hobert. Nweta Aha na-aga na Roberrtson.
Ndakọrịta nke Ghjuvan na Roberrtson bụ 80%. Nweta Ndakọrịta nke Ghjuvan na Roberrtson.