Swimming competitions Mother Triebelsbeker, Bert Sitters in action at 200 meters freestyle Annotation: The cup is named after 'swimmother' Triebels-Koens (1865-1955). She was committed to teaching people swimming at a time when it was not customary Date: February 28, 1965 Keywords: competitions, swimming Personal name: Sitters, Bert

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Photo credit: © BNA Photographic / Alamy / Afripics
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