Де Йонг
She defected together with Cor Eberhard from the LPF-fractie on 1 October 2002 because of dissatisfaction with the fractievoorzitter of the LPF, Harry Wijnschenk. De Jong and Eberhard continued together under the name "Groep De Jong". Winny de Jong was fractievoorzitter of the "Groep De Jong".