Jaak kacha mma aha pụtara: Ifịk, Enyịn, Emesapụ aka, Obodo, Kechioma. Nweta Jaak pụtara aha.
Bockhorst kacha mma aha nna pụtara: Okike, Iwe, Ifịk, Eji obi ụtọ, Emesapụ aka. Nweta Bockhorst pụtara aha nna.
Jaak si malite aha mbụ. Estonian form of Jacob or James, and a Flemish short form of Jacob. Nweta Jaak si malite aha mbụ.
Agakọta aha maka Jaak na mba dị iche iche na-asụ asụsụ: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaakko, Jaakob, Jaakoppi, Jaap, 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, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Nweta Jaak na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Bockhorst: Jonas, Mckenzie, Clayton, Bobbi, Jason, Jónas, Jonáš. Nweta Aha na-aga na Bockhorst.
Ndakọrịta nke Jaak na Bockhorst bụ 77%. Nweta Ndakọrịta nke Jaak na Bockhorst.