Dee ihe na-esote paragraf a - Heinz Grobat bụ onye Switzerland lara ezumike nká slalom canoeist onye mpi site na mmalite afọ 1960 ruo mmalite afọ 1970. O ritere ihe nrite ọla nchara n'asọmpi otu C-1 na 1963 ICF Canoe Slalom World Championships
na Spittal.