Sjaak kacha mma aha pụtara: Oge a, Eji obi ụtọ, Kechioma, Enyịn, Okike. Nweta Sjaak pụtara aha.
Witham kacha mma aha nna pụtara: Obodo, Iwe, Enyi na enyi, Oge a, Okike. Nweta Witham pụtara aha nna.
Sjaak si malite aha mbụ. Dutch form of Jacques or Isaac. Nweta Sjaak si malite aha mbụ.
Sjaak aha diminutives: Sjakie. Nweta Nicknames maka Sjaak.
Transcription ma ọ bụ otú kpo aha mbụ Sjaak: SHAH:K. Olee otú ịkpọ Sjaak.
Agakọta aha maka Sjaak na mba dị iche iche na-asụ asụsụ: Akiba, Akiva, Coby, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Iikka, Iiro, Iisakki, Ike, Isaac, Isaak, Isak, Issac, Itzhak, Izaak, Izsák, 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, Sahak, Séamas, Séamus, Seumas, Shamus, Sheamus, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha, Yitzhak. Nweta Sjaak na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Witham: Kathyrn, Jason, Willian, Norris, Granville. Nweta Aha na-aga na Witham.
Ndakọrịta nke Sjaak na Witham bụ 80%. Nweta Ndakọrịta nke Sjaak na Witham.