People /Marnix Willem Steffen peoplepill id: marnix-willem-steffenMWS 1 views today 1 views this weekMarnix Willem SteffenBiographyListsAlso ViewedListsMarnix Willem Steffen is in following listsBy field of workFamous Dutch musiciansGender: MaleBy work and/or countryFamous Dutch MusiciansGender: MaleFamous Dutch ViolinistsGender: MaleFamous Dutch ConductorsGender: MaleFrom our partnersSponsoredMarnix Willem Steffen