Koos tikanga ingoa pai: Mātau, Kaha, Tahuri, Ratarata, Hou. Haere Koos tikanga o te ingoa.
Janssen pai tikanga ingoa: Waimarie, Tahuri, Auaha, Mātau, Kaha. Haere Janssen tikanga o ingoa.
Koos takenga o te ingoa tuatahi. Diminutive of Jacob. Haere Koos takenga o te ingoa tuatahi.
Janssen takenga. Variant of Jansen. Haere Janssen takenga.
Ingoa whakamutunga Janssen tino noa i roto i Belgium, Germany, Netherlands. Haere Janssen ingoa horahanga.
Tuhi ranei pehea ki te kiia ingoa tuatahi Koos: KO:S. Me pēhea te ki te kiia Koos.
Ingoa faaauhia hoki Koos i roto i whenua rerekē me ngā reo: Akiba, Akiva, Coby, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jacky, Jacob, Jacobo, Jacobus, Jacó, Jacopo, Jacques, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jockel, Jokūbas, Kapel, Kimo, Koba, Koby, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Haere Koos i ētahi atu reo.
Ingoa whānau faaauhia hoki Janssen i roto i whenua rerekē me ngā reo: Bevan, Evans, Giannino, Giannopoulos, Hancock, Hansen, Hanson, Hansson, Hovanesian, Ioannidis, Ionesco, Ionescu, Ivankov, Ivanov, Ivanović, Janiček, Jankovic, Janković, Jankovič, Jans, Jansen, Janson, Jansson, Janz, Johansen, Johansson, Johnson, Jones, Jóhannsson, Jovanović, Mallon, Malone, Mollown, Nana, Nani, Nanni, Nannini, Ó maoil eoin, Yanev, Zanetti, Zunino. Haere Janssen i ētahi atu reo.
Te nuinga ingoa noa ki te ingoa whakamutunga Janssen: Jan, Mark, Esta, Eleonor, Douglas, Ján, Márk. Haere Ingoa e haere ki Janssen.
Hototahi o Koos a Janssen he 78%. Haere Hototahi o Koos a Janssen.