Mezue ahịrịokwu na-esonụ: Elisabeth ("Betty") Anna Heukels (amụrụ na 25 February 1942) bụ onye na-egwu mmiri medley lara ezumike nká si Netherlands, onye kwụsịrị n'ọnọdụ nke isii na 400 m n'otu n'otu na 1964 Summer Olympics na Tokyo. Ọ lụrụ onye ọkpụkpọ bọọlụ mmiri mbụ bụ Hans Wouda, onye sonyere na Holland na 1968 na 1972 Summer Olympics. O meriri n'asọmpi 400m medley n'otu n'otu na
1966 European Aquatics Championships.