Type Word Usage Old Dutch Meaning & History Old Dutch word meaning "fen, swamp, peat". Related ItemsFamily Tree·Details Other Languages & Culturesfenn(Anglo-Saxon) fenni(Old High German) Surname DescendantsDe Veen, De Ven, Van der Veen, Van der Ven, Van der Venne, Van Veen, Van Veenen, Venner, Van der Vennen(Dutch)