50%RatingSave Gender Masculine Usage Germanic [1] Meaning & HistoryExpand Links Old German form of Berthold. Related NamesFamily Tree·Details Rootsberaht + waltOther Languages & CulturesBertil(Danish) Berthold, Bert(German) Bertoldo(Italian) Bertil(Swedish) Categories light, power Sources & References Förstemann, Ernst. Altdeutsches Namenbuch. Bonn, 1900, page 296.