Jef MertensActing • 1874-04-27 • Leuven, Flanders, BelgiumNo biography available.Known ForFan ClubNo Nerds have favorited Jef Mertens yet — be the first.All fan clubsFrom NerdspinFilmographyActor21912Roze KateFilm★ 8.01911The ExilesFilmKolonel Rimski Korsakoff G. Retniensky★ 8.0