또한 ~으로 알려진:Sylvie, Krytal, Christine, Cristall De Boor, Cristall Labor, Crystal, Crystal de Boor, Hana, Hanka, Hanna, Jana, Kristaal De Boorns, Kristal De Booer, Kristal De Boor, Kristal de Boorns, Kristol, Krystal, Krystal De Bour, Krystal Deboor, Silver