His extensive collection of Curculionidae became the basis of the entomological collection of beetles in the Natuurhistorisch Museum in Brussels.
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Willem Roelofs (March 10, 1822, Amsterdam - May 12, 1897, Berchem) was a Dutch painter, water-colourist, etcher, lithographer and draughtsman.
Willem de Kooning | Willem Dafoe | Willem Blaeu | Willem Janszoon | Willem Mengelberg | Willem Roggeman | Herman Willem Daendels | Willem Drees | Willem-Alexander of the Netherlands | Willem van Otterloo | Willem Schouten | Willem Kloos | Willem Klein | Willem II (football club) | Willem II | Willem de Vlamingh | Willem Buiter | John Willem Gran | Willem Verstegen | Willem van Hoogstraten | Willem van Enckevoirt | Willem van de Sande Bakhuyzen | Willem Sassen | Willem P.C. Stemmer | Willem Frederik Hermans | Willem C. Vis Moot | Willem B. Drees | Willem Abraham Wythoff | Pieter Willem Korthals | Jan Willem Storm van Leeuwen |