Annemarie Groen
Annemarie Groen is a former backstroke swimmer from the Netherlands, who competed for her native country at the 1972 Summer Olympics in Munich, West Germany. There she was eliminated in the qualifying heats of the 100m Backstroke, clocking 1:09.55, and the same happened to her in the prelims of the 200m Backstroke, in 2:29.17.