Gwilym moelelo wa lebitso le letle: E thabileng, E fanang ka, Botsoalle, E na le bokhoni, Bōpo. Fumana Gwilym moelelo oa lebitso.
Kiefer lebitso la motumo o motle ka ho fetisisa: Ela hloko, Bohale, E thabileng, Bōpo, E na le bokhoni. Fumana Kiefer se boleloang ke lebitso.
Gwilym tšimoloho ea lebitso la pele. Welsh form of William. Fumana Gwilym tšimoloho ea lebitso la pele.
Kiefer qalong. Derived from German kufe meaning "barrel". This was an occupational name for a barrel maker. Fumana Kiefer qalong.
Gwilym lebitso la diminuti: Gwil. Fumana Mabitso a marang-rang a Gwilym.
Mabitso a sa tšoaneng bakeng sa Gwilym linaheng le lipuo tse sa tšoaneng: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwilherm, 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 Gwilym ka lipuo tse ling.
Mabitso a tloaelehileng ka ho fetisisa ka lebitso Gwilym: Williams, Panah-williams, Panah. Fumana Lethathamo la mabitso a nang le lebitso Gwilym.
Mabitso a tloaelehileng ka lebitso la ho qetela Kiefer: Eric, Billie, Eliseo, Bill, Remona, Éric, Èric. Fumana Mabitso a tsamaeang le Kiefer.
Ho lumellana ha Gwilym le Kiefer ke 77%. Fumana Tšebelisano ea Gwilym le Kiefer.