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 Willink died in 1841.
Willem Vrelant died in 1482.
Willem Thibaut died in 1597.
Willem Romeyn died in 1693.
Willem Buys died in 1749.
Willem Schellinks died in 1678.
Willem Zijderveld died in 1840.