Willem siyifikasyon Non pi bon: Konpetan, Grav, Modèn, Temèt, Zanmitay. Jwenn Willem siyifikasyon nan non.
Willem orijin nan premye non. fòm Olandè nan William. Willem the Silent, Prince of Orange, was the leader of the Dutch revolt against Spain that brought about the independence of the Netherlands Jwenn Willem orijin nan premye non.
Willem diminutives Non: Jelle, Pim, Wil, Willy, Wim. Jwenn Surnon pou Willem.
Transcription oswa ki jan yo fè konnen premye non Willem: VIL-ləm, WIL-ləm. Ki jan yo fè konnen Willem.
Non synonyme pou Willem nan diferan peyi ak lang: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilherm, Gwilim, Gwillym, Gwilym, Illiam, Jami, Liam, 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, Wilkin, Wilky, Will, Willahelm, Willi, William, Willie, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Jwenn Willem nan lòt lang.
Surnon pi komen ak non Willem: Booysen, Coetser, Van Der Merwe, Cripe, Vandenberg, van der Merwe. Jwenn Lis surnon ak non Willem.
Ki pi komen non ak siyati Padarebones: Wm, Serena, Felicia, Jamaal, Bill, Felícia. Jwenn Non ki ale ak Padarebones.