Willem Einthoven was born on May 21, 1860.
Willem Mengelberg was born on March 28, 1871.
Willem de Kooning was born on April 24, 1904.
Willem van Hanegem was born on February 20, 1944.
Willem Frederik Hermans was born on September 1, 1921.
Hendrik Willem van Loon was born on January 14, 1882.
Willem Drees was born on July 5, 1886.
Willem Kes was born on February 16, 1856.
Willem Holleeder was born on May 29, 1958.
Willem-Alexander was born on April 27, 1967.
Willem Elsschot was born on May 7, 1882.
Willem Dafoe was born on July 22, 1955.
Willem Mengelberg was born on March 28, 1871.
Willem Frederik Hermans was born on September 1, 1921.
Willem Hendrik Keesom was born on June 21, 1876.
Pieter Willem Botha was born on January 12, 1916.
Willem de Sitter was born on May 6, 1872.
Schalk Willem Burger was born on September 6, 1852.