Iefan moelelo wa lebitso le letle: E na le bokhoni, Botsoalle, Lehlohonolo, Bōpo, Ela hloko. Fumana Iefan moelelo oa lebitso.
Lampl lebitso la motumo o motle ka ho fetisisa: E sebetsang, Bōpo, Lehlohonolo, Mehleng ea kajeno, Bohale. Fumana Lampl se boleloang ke lebitso.
Iefan tšimoloho ea lebitso la pele. Welsh form of John. Fumana Iefan tšimoloho ea lebitso la pele.
Iefan lebitso la diminuti: Ianto. Fumana Mabitso a marang-rang a Iefan.
Mabitso a sa tšoaneng bakeng sa Iefan linaheng le lipuo tse sa tšoaneng: 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, 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, 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, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, 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. Fumana Iefan ka lipuo tse ling.
Mabitso a tloaelehileng ka lebitso la ho qetela Lampl: Venetta, Juliane, Jefferson, Retta, Juan. Fumana Mabitso a tsamaeang le Lampl.
Ho lumellana ha Iefan le Lampl ke 75%. Fumana Tšebelisano ea Iefan le Lampl.