Iefan maana ya jina bora: Wenye uwezo, Kirafiki, Bahati, Ubunifu, Makini. Pata Iefan maana ya jina.
Slane maana ya jina la juu: Kirafiki, Tete, Furaha, Makini, Kubwa. Pata Slane maana ya jina la jina.
Iefan asili ya jina la kwanza. Aina ya Welsh John. Pata Iefan asili ya jina la kwanza.
Slane asili. Ilionyeshwa awali mtu kutoka Slane (Kata ya Meath), Ireland. Pata Slane asili.
Iefan jina la kupungua kwa jina: Ianto. Pata Majina ya jina la Iefan.
Majina ya jina la Iefan katika nchi tofauti na lugha tofauti: 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. Pata Iefan kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Slane: Ismael, Sonya, Milo, Quinn, Albert. Pata Majina yanayotembea na Slane.
Utangamano wa Iefan na Slane ni 74%. Pata Utangamano wa Iefan na Slane.