<prompt> Pedzisa mutsara unotevera: Joris Willem Eelco Tjebbes 5 November 1929, Vlissingen 31 July 2001, Hoogeveen akanga ari muDutch freestyle swimmer. Akakunda menduru yebronze pa  <response>: 1950 European Aquatics Championships uye vakakwikwidza kuma1952 Summer Olympics. Pakati pa1950 na1952, Tjebbes aive shasha yenyika mumakwikwi emamita zana nemakumi mana emamita uye akaisa marekodhi mapfumbamwe emunyika mumakwikwi emamita zana, mazana maviri nemakumi mana emamita akasununguka. 