Jannick kacha mma aha pụtara: Okike, Oké njọ, Iwe, Oge a, Kechioma. Nweta Jannick pụtara aha.
Heckmann kacha mma aha nna pụtara: Eji obi ụtọ, Oké njọ, Iwe, Emesapụ aka, Enyịn. Nweta Heckmann pụtara aha nna.
Jannick si malite aha mbụ. Danish diminutive of Jan. Nweta Jannick si malite aha mbụ.
Agakọta aha maka Jannick 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, Jānis, Jackin, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, 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, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Jannick na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Heckmann: Lindsay, Vanessa, Dana, Earnestine, Forrest. Nweta Aha na-aga na Heckmann.
Ndakọrịta nke Jannick na Heckmann bụ 80%. Nweta Ndakọrịta nke Jannick na Heckmann.