Ivica kacha mma aha pụtara: Enyịn, Oge a, Oké njọ, Kechioma, Okike. Nweta Ivica pụtara aha.
Trefz kacha mma aha nna pụtara: Oge a, Obodo, Enyịn, Okike, Enyi na enyi. Nweta Trefz pụtara aha nna.
Ivica si malite aha mbụ. Diminutive of Ivan. Nweta Ivica si malite aha mbụ.
Agakọta aha maka Ivica na mba dị iche iche na-asụ asụsụ: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannis, Giovanni, Gjon, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivo, Iwan, Jaan, Jānis, Ján, Jancsi, Janek, Janez, Jani, Janika, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, 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, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Siôn, Sjang, Sjeng, Van, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Ivica na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Trefz: Coral, Forrest, Aleida, Casandra, Sonia. Nweta Aha na-aga na Trefz.
Ndakọrịta nke Ivica na Trefz bụ 79%. Nweta Ndakọrịta nke Ivica na Trefz.