Jackin kacha mma aha pụtara: Obodo, Enyịn, Eru, Iwe, Enyi na enyi. Nweta Jackin pụtara aha.
Michalewicz kacha mma aha nna pụtara: Oge a, Eji obi ụtọ, Ifịk, Oké njọ, Enyịn. Nweta Michalewicz pụtara aha nna.
Jackin si malite aha mbụ. Variant of Jankin. Nweta Jackin si malite aha mbụ.
Agakọta aha maka Jackin na mba dị iche iche na-asụ asụsụ: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannis, Giovanni, Gjon, Hanke, Hanne, Hannes, Hannu, Hans, Hovhannes, Iain, Ian, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Iván, Ivan, Ivane, Ivano, Iwan, Jaan, Jānis, Jack, Jackie, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Janko, Janne, Jannick, Jannik, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Jock, Jockie, Jocky, 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, Rashaun, Rashawn, Seán, Sean, Seoc, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Vanni, Xoán, Xuan, Yahya, Yanick, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Jackin na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Michalewicz: Yaeko, John, Paulene, Tegan, Blake. Nweta Aha na-aga na Michalewicz.
Ndakọrịta nke Jackin na Michalewicz bụ 80%. Nweta Ndakọrịta nke Jackin na Michalewicz.