People Netherlands Joannes Henricus Maria Koenen peoplepill id: joannes-henricus-maria-koenenJHMK 5 views today 15 views this weekDutch neurologistJoannes Henricus Maria KoenenBiographyListsAlso ViewedSimilar peoplePeople also viewedSiegfried Thomas BokHochschullehrerHendrik Willem StenversDutch neurologistFrans Pieter MullerFrom our partnersSponsoredJoannes Henricus Maria Koenen