Gwilherm uiga igoa sili: Agalelei, Volatile, Faauo, Gauai, Matuia. Aumai Gwilherm uiga o le suafa.
Gwilherm amataga o le igoa muamua. Breton form of William. Aumai Gwilherm amataga o le igoa muamua.
Igoa tutusa mo Gwilherm i atunuu ma gagana eseese: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, 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. Aumai Gwilherm i isi gagana.
O le tele o igoa tutusa ai ma faaiu Holznecht: Brooks, Migdalia, Denese, Guillermo, Tyisha. Aumai Igoa e aumai faatasi Holznecht.