Tuhia he tomokanga mō tēnei wāhanga - I te tau 1975, ka hoki mai a de Leeuw hei mētara hiriwa i ngā Whakataetae o Ūropi
i Copenhagen, i te wā i riro anō a Errath i te koura. I riro ia i te toa o te Ao i te 1975 World Championships i Colorado Springs, Colorado, ka mutu i mua o Hamill me Errath, a ka pootihia ko ia te kaitakaro wahine Dutch o te tau 1975.