Gwilherm moelelo wa lebitso le letle: E fanang ka, E fokolang, Botsoalle, Ela hloko, E tebileng. Fumana Gwilherm moelelo oa lebitso.
Gwilherm tšimoloho ea lebitso la pele. Breton form of William. Fumana Gwilherm tšimoloho ea lebitso la pele.
Mabitso a sa tšoaneng bakeng sa Gwilherm linaheng le lipuo tse sa tšoaneng: 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. Fumana Gwilherm ka lipuo tse ling.
Mabitso a tloaelehileng ka lebitso la ho qetela Berggoetz: Tiny, Joyce, Freddie, Daryl, Coralee. Fumana Mabitso a tsamaeang le Berggoetz.