Iancu moelelo wa lebitso le letle: Lehlohonolo, E sebetsang, E tebileng, Mehleng ea kajeno, E fanang ka. Fumana Iancu moelelo oa lebitso.
Havenga lebitso la motumo o motle ka ho fetisisa: Mehleng ea kajeno, E na le bokhoni, Ela hloko, E fokolang, Botsoalle. Fumana Havenga se boleloang ke lebitso.
Iancu tšimoloho ea lebitso la pele. Romanian diminutive of John. Fumana Iancu tšimoloho ea lebitso la pele.
Lebitso la ho qetela Havenga le tloaelehileng haholo . Fumana Havenga lebitso la lebitso le fetisetsang.
Mabitso a sa tšoaneng bakeng sa Iancu linaheng le lipuo tse sa tšoaneng: 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, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Iván, Ivan, Ivane, Ivano, Ivica, 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, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, 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. Fumana Iancu ka lipuo tse ling.
Mabitso a tloaelehileng ka lebitso la ho qetela Havenga: Frans, Consuela, Norberto, Barend Petrud, Pieter. Fumana Mabitso a tsamaeang le Havenga.
Ho lumellana ha Iancu le Havenga ke 73%. Fumana Tšebelisano ea Iancu le Havenga.