Mezue ahịrịokwu na-esonụ: Ọganihu mba ụwa nke De Leeuw bịara na oge 1973-74. Ihe nrite mbụ ya na ISU Championship bụ ọla ọcha na 1974 European Championship na Zagreb, n'azụ Christine Errath. Na
Na 1974 World Championships na Munich, e nyere ya ọla nchara ma soro Errath na Dorothy Hamill rịgoro n'elu ikpo okwu.