Willem Duyn died on December 3, 2004, in near Almelo, Netherlands.
Willem Duyn's birth name is Wilhelmus Jacobus Duyn.
Willem Duyn was born on March 31, 1937, in Haarlem, Noord-Holland, Netherlands.
The cast of Nationaal songfestival - 1974 includes: Willem Duyn as Singer Willem Duys as Himself - Host Maggie MacNeal as Singer
Mona Van Duyn died on December 2, 2004 at the age of 83.
The cast of Phonzeit - 1975 includes: Georg Danzer Willem Duyn as Singer Brian Eno
Willem Muurling died in 1882.
Willem Caland died in 1932.
Willem Baudartius died in 1640.
Willem Eversdijck died in 1671.
Willem Kieft died in 1647.
Willem Grasdorp died in 1723.
Willem Coucheron died in 1689.