<prompt> Joop Demmenie 19 Zvita 1918 3 Chikumi 1991 aive mutyairi webhasikoro kubva kuNetherlands. Mushure mokunge apedza wechina mumakwikwi emugwagwa weamateur pa1937 UCI Road World Championships, akahwina menduru yebronze pa1938 UCI Road World Championships  <response>: munhangemutange yomumugwagwa yevanhurume. Akanga ari mutyairi webhasikoro pakati pa1939 na1948. Muna 1939 akakunda muBrussels-Hozémont. 