Jowan incazelo engcono kakhulu yegama: Unenhlanhla, Ukudala, Isimanje, Nobungane, Isimo sengqondo. Thola Jowan kusho igama.
Herbst izincazelo zegama elihle kakhulu: Isimo sengqondo, Isimanje, Unamandla, Unika, Esebenzayo. Thola Herbst incazelo yesibongo.
Jowan imvelaphi yegama lokuqala. Cornish form of John. Thola Jowan imvelaphi yegama lokuqala.
Amagama afanayo for Jowan emazweni ahlukene nezilimi ezahlukene: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, 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, Jack, Jackin, Jake, 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, 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, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Thola Jowan kwezinye izilimi.
Amagama avame kakhulu ngegama lomsebenzisi Herbst: Jacomina, Paula, Dora, John, Maya, Dóra. Thola Amagama ahamba ne- Herbst.
Ukuhambisana kwe- Jowan kanye Herbst kuyinto 73%. Thola Ukuhambisana kwe- Jowan kanye Herbst.