Edgar Willems died in 1978.
Pierre Willems died in 1898.
Theo Willems died in 1960.
Jan Willems died in 1688.
Victor Willems died in 1918.
Dirk Willems died in 1569.
Jan Frans Willems died in 1846.
Ko Willems died on 1983-09-28.
Frits Willems died in 1974, in Antwerpen, Flanders, Belgium.
Florent Joseph Marie Willems died in 1905.
Paul Willems died on November 29, 1997, in Zoersel, Flanders, Belgium.
US author Mo Willems is 49 years old (birthdate: May 24, 1968).
Eric Willems died on November 29, 2010, in Visalia, California, USA of undisclosed causes.