What is Antonia Happel-Verduijn?
{{Infobox person | name = Antonio Happel-Verduijn | image = | caption = | birth_name = Antonia Verduijn | birth_date = 1883 or 1884 | birth_place = | death_date = {{death date and given age|1940|6|23|56|df=y}} | death_place = [[Amsterdam]], Netherlands | monuments = | residence = | nationality = Dutch | occupation = water polo player and sport administrator | known_for = | relatives = | awards = }} '''Antonia Happel-Verduijn''' also written as '''Antonia Happel-Verduyn''' (1883 or 1884 – 23 June 1940) was a Dutch water polo player and sport administrator. ==Biography== Happel-Verduyn was a member of the Amsterdamsche Dames Zwemclub (A.D.Z.) from [[Amsterdam]]. As a water polo player Happel-Verduyn competed with the club internationally at the [[1922 Berlin international women's swimming and water polo competitions]].<ref name=teams>{{cite web|url= https://resolver.kb.nl/resolve?urn=MMKB27:017883127:mpeg21:a00073 |title= Zwemmen.|work=[[De avondpost]] |date=10 March 1922|via=[[Delpher]]|access-date=21 October 2022|language=nl}}</ref><ref>{{cite web|url= https://resolver.kb.nl/resolve?urn=ddd:010025961:mpeg21:a0024 |title= De A.D.Z. naar Berlijn.|work=[[Nieuwe Rotterdamsche Courant]] |date=10 March 1922|via=[[Delpher]]|access-date=21 October 2022|language=nl}}</ref> They won the competition after beating ''Aphrodite'', the water polo club from [[Berlin]], with 5-3.<ref name=results>{{cite web|url= https://resolver.kb.nl/resolve?urn=ddd:010025966:mpeg21:a0140|title= Een Nederlandsche overwinning te Berlijn.|work=[[Nieuwe Rotterdamsche Courant]] |date=13 March 1922|via=[[Delpher]]|access-date=21 October 2022|language=nl}}</ref><ref name=results2>{{cite web|url=https://resolver.kb.nl/resolve?urn=ddd:011082291:mpeg21:a0111|title= De A.D,Z. in Berlijn.|work=[[Het Volk]] |date=13 March 1922|via=[[Delpher]]|access-date=21 October 2022|language=nl}}</ref> Next as a water polo player, Happel-Verduyn was secretary of the Amsterdamsche Dames Zwemclub (A.D.Z.) for many years.<ref name=ref1 /> She also accompanied sw