Jowan incazelo engcono kakhulu yegama: Unenhlanhla, Ukudala, Isimanje, Nobungane, Isimo sengqondo. Thola Jowan kusho igama.
Petrović izincazelo zegama elihle kakhulu: Isimo sengqondo, Sína, Okungafani, Esebenzayo, Isimanje. Thola Petrović 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 Petrović: Ivan, Marko, Jenine, Petar, Zoran, Iván. Thola Amagama ahamba ne- Petrović.
Ukuhambisana kwe- Jowan kanye Petrović kuyinto 76%. Thola Ukuhambisana kwe- Jowan kanye Petrović.