Iefan moelelo wa lebitso le letle: E na le bokhoni, Botsoalle, Lehlohonolo, Bōpo, Ela hloko. Fumana Iefan moelelo oa lebitso.
McCullock lebitso la motumo o motle ka ho fetisisa: Botsoalle, Ela hloko, E na le bokhoni, Mehleng ea kajeno, Bōpo. Fumana McCullock 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 McCullock: Val, Johnnie, Nestor, Patricia, Etta, Patrícia. Fumana Mabitso a tsamaeang le McCullock.
Ho lumellana ha Iefan le McCullock ke 83%. Fumana Tšebelisano ea Iefan le McCullock.