Guillem kacha mma aha pụtara: Enyịn, Oké njọ, Oge a, Iwe, Emesapụ aka. Nweta Guillem pụtara aha.
Guillem si malite aha mbụ. Catalan form of William. Nweta Guillem si malite aha mbụ.
Agakọta aha maka Guillem na mba dị iche iche na-asụ asụsụ: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillermo, Gwil, Gwilherm, Gwilim, Gwillym, Gwilym, Illiam, Jami, Jelle, Liam, Pim, Uilleag, Uilleam, Uilliam, Ulick, Vilĉjo, Vilém, Vilhelm, Vilhelmas, Vilhelmi, Vilhelmo, Vilhelms, Vilhjálmur, Vilho, Vili, Viliam, Vilim, Vilis, Viljami, Viljem, Viljo, Vilko, Ville, Villem, Vilmos, Wil, Wilhelm, Wilhelmus, Wilkin, Wilky, Will, Willahelm, Willem, Willi, William, Willie, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Nweta Guillem na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ McWhan: Joella, Marco, Porter, Herman, Lavonia. Nweta Aha na-aga na McWhan.