Jaan kacha mma aha pụtara: Oké njọ, Okike, Ifịk, Enyi na enyi, Kechioma. Nweta Jaan pụtara aha.
Grube kacha mma aha nna pụtara: Eji obi ụtọ, Oge a, Obodo, Okike, Enyịn. Nweta Grube pụtara aha nna.
Jaan si malite aha mbụ. Estonian form of John. Nweta Jaan si malite aha mbụ.
Aha ikpeazụ Grube kasị nkịtị na Norfolk Island. Nweta Grube aha nna na-agbasa.
Agakọta aha maka Jaan 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, 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. Nweta Jaan na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Jaan: Umrao, Khattak. Nweta List of surnames na aha Jaan.
Kasị nkịtị aha na aha ikpeazụ Grube: Stewart, Jay, Benjamin, Evan, Tandra, Benjámin, Benjamín. Nweta Aha na-aga na Grube.
Ndakọrịta nke Jaan na Grube bụ 76%. Nweta Ndakọrịta nke Jaan na Grube.