<prompt> Qedela umusho olandelayo: UJoop Demmenie 19 December 1918 3 June 1991 wayengumgibeli wamabhayisikili wasemgwaqweni waseNetherlands. Ngemva kokuqeda endaweni yesine emncintiswaneni womgwaqo wama-amateur ngo-1937 e-UCI Road World Championships, wanqoba indondo yethusi emncintiswaneni  <response>: Ngo-1938 UCI Road World Championships emncintiswaneni wabesilisa womgwaqo. Wayengumgibeli wamabhayisikili okhokhelwayo phakathi kuka-1939 no-1948. Ngo-1939 wanqoba eBrussel-Hozémont. 