 Gendebien akaenderera mberi nekunyora ndima iyi - Akaita kutanga kwake pa1956 Argentine Grand Prix, nechikwata cheFerrari, asi yaive panguva yekutyaira kwechikwata cheBritish Racing Partnership Yeoman Credit Racing mu1956 kuti Gendebien akawana zvakanakisa kupedzisa; akawana wechipiri mu1960 French Grand Prix uye wechitatu pamberi pevanhu vekumba pa1960 Belgian Grand Prix. 