Guillaume Gabriel Joseph Juste Pierre Gaetan Marie Ghislain von Croÿ (born 1950) (b. 1950) Parents Nicole de Marnix de Saint Aldegonde Emmanuel Marie Joseph Pierre Gerard von Croÿ Children Violette Maria Trinidad Giuliana von Croÿ Emmanuel Manfredo Juste Marie von Croÿ Siblings Isabelle Gabrielle Marie Emmanuel Mathilde Jeanne Gaetane Ghislane von Croÿ Charles von Croÿ Marie Gabrielle Gaetane Therese Nicole Ghislane von Croÿ Partners Isabelle von Collalto und San Salvatore