Marguerite Ruygrok
Marguerite Ruygrok (born 3 June 1947) is an Australian former breaststroke swimmer. She competed in two events at the 1964 Summer Olympics. References External links 1947 births Living people Australian female breaststroke swimmers Olympic swimmers for Australia Swimmers at the 1964 Summer Olympics Place of birth missing (living people) Commonwealth Games medallists in swimming Commonwealth Games gold medallists for Australia Swimmers at the 1962 British Empire and Commonwealth Games 20th-century Australian women 21st-century Australian women Medallists at the 1962 British Empire and Commonwealth Games