Koba uiga igoa sili: Laki, Fiafia, Gauai, Lē ma vāloia, Po nei. Aumai Koba uiga o le suafa.
Engels uiga faaiu sili: Foafoa, Volatile, Gauai, Agalelei, Agavaa. Aumai Engels uiga o faaiu.
Koba amataga o le igoa muamua. Diminutive of Iakob. Aumai Koba amataga o le igoa muamua.
Faʻaiu Engels taatele i Belgium. Aumai Engels faaiu faasalalauina.
Igoa tutusa mo Koba i atunuu ma gagana eseese: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jaap, Jacky, Jacob, Jacobo, Jacobus, Jacó, Jacopo, Jacques, Jae, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Jamie, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jimi, Jimmie, Jimmy, Jockel, Jokūbas, Kapel, Kimo, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Aumai Koba i isi gagana.
O le tele o igoa tutusa ai ma faaiu Engels: Clifford, Roger, Glendora, Tim, Raul, Raúl. Aumai Igoa e aumai faatasi Engels.
Ogatasi o Koba ma Engels o 78%. Aumai Ogatasi o Koba ma Engels.