Princess Eleonore Radziwill (born 1918) (b. 1918) Parents Hieronim Mikołaj Radziwiłł Archduchess Renata of Austria Children Remy de Froidcourt Siblings Princess Maria-Teresa Radziwill Prince Dominik Rainer Radziwiłł Princess Leon-Jerome Radziwill Prince Albrecht-Jerome Radziwill Prince Karol-Jerome Radziwill Partners Benedykt Władysław Tyszkiewicz Roger de Froidcourt