Roosendael (ne de Groot), Jan Rokus van 6.may.1960-17.feb.2005 Netherlands, Zwijndrecht - Oostzaan (suicide)
studied composition with Robert Heppener and Geert van Keulen at the Sweelinck Conservatory in Amsterdam, studied musicology at the University of Amsterdam, he took the name Roosendael to avoid confusion with his half-brother composer Rokus de Groot