Jaan igama elona lifanelekileyo: Kakhulu, Bokudala, Esebenzayo, Nobungane, Inhlanhla. Fumana Jaan intsingiselo yegama.
Siegrist intsingiselo egqibeleleyo yegama: I-temperamental, Ujonge, Inhlanhla, Ufanele, Ezinqabileyo. Fumana Siegrist intsingiselo yesinti.
Jaan imvelaphi yegama lokuqala. Estonian form of John. Fumana Jaan imvelaphi yegama lokuqala.
Igama lokugqibela Siegrist eliqhelekileyo Swizalend. Fumana Siegrist ifani isasazeka.
Amagama alinganayo for Jaan kumazwe ahlukeneyo neelwimi: 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, 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, Jowan, Juan, Juanito, Juha, Juhán, 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. Fumana Jaan kwezinye iilwimi.
Amagama amaninzi aqhelekileyo ngegama Jaan: Umrao, Khattak. Fumana Uluhlu lwamagama egama Jaan.
Amagama aqhelekileyo ngegama lokugqibela Siegrist: Brea, John, Isaac, Olen, Merideth. Fumana Amagama ahamba kunye Siegrist.
Ukuhambisana Jaan kunye Siegrist yi 78%. Fumana Ukuhambelana Jaan kunye Siegrist.