Iancu maana ya jina bora: Bahati, Kazi, Kubwa, Kisasa, Ukarimu. Pata Iancu maana ya jina.
Koster maana ya jina la juu: Kirafiki, Kubwa, Makini, Temperament, Wenye uwezo. Pata Koster maana ya jina la jina.
Iancu asili ya jina la kwanza. Kiromania imepungua John. Pata Iancu asili ya jina la kwanza.
Jina la mwisho Koster la kawaida zaidi Uholanzi. Pata Koster kutangaza jina la jina.
Majina ya jina la Iancu katika nchi tofauti na lugha tofauti: 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. Pata Iancu kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Koster: Kathleen, Latonya, Vallie, Natasha, Scottie. Pata Majina yanayotembea na Koster.
Utangamano wa Iancu na Koster ni 75%. Pata Utangamano wa Iancu na Koster.