Jānis kacha mma aha pụtara: Eru, Kechioma, Obodo, Enyi na enyi, Enyịn. Nweta Jānis pụtara aha.
Guenther kacha mma aha nna pụtara: Eru, Eji obi ụtọ, Oge a, Ifịk, Emesapụ aka. Nweta Guenther pụtara aha nna.
Jānis si malite aha mbụ. Latvian form of John. Nweta Jānis si malite aha mbụ.
Agakọta aha maka Jānis na mba dị iche iche na-asụ asụsụ: 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, 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, 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. Nweta Jānis na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Jānis: Yepez, Breines, Scelba, Harnly, Minchow. Nweta List of surnames na aha Jānis.
Kasị nkịtị aha na aha ikpeazụ Guenther: Kathy, Maxwell, Shad, Kathy Damico, Alida. Nweta Aha na-aga na Guenther.
Ndakọrịta nke Jānis na Guenther bụ 82%. Nweta Ndakọrịta nke Jānis na Guenther.