Jehan eng yaxshi nom ma'nolari: Do'st, Omadli, Saxiy, Zamonaviy, Faol. Qabul qiling Jehan ismining ma'nosi.
Trefz eng yaxshi familiyasi ma'nolari: Zamonaviy, Uchuvchi, Diqqat bilan, Ijodiy, Do'st. Qabul qiling Familiyasi Trefz.
Jehan ismining kelib chiqishi. Old French form of Iohannes (see John). Qabul qiling Jehan ismining kelib chiqishi.
Boshqa mamlakatlar va tillarda, Jehan uchun alohida ismlar: 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, Jack, Jackie, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, 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, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Seoc, 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. Qabul qiling Jehan boshqa tillarda.
Jehan nomi bilan eng keng tarqalgan soyisimler: Sogocio, Khan, Shafeeque, Gowani. Qabul qiling Jehan nomi bilan familiyalar ro'yxati.
Trefz ismiga ega bo'lgan eng keng tarqalgan ismlar: Gunnar, Margarito, John, Collin, Haydee, Haydée. Qabul qiling Trefz bilan ketadigan ismlar.
Jehan va Trefz ning mosligi 77%. Qabul qiling Jehan va Trefz muvofiqligi.