Elisabeth Prinzessin von Isenburg (born 1945) (b. 1945) Parents Irina Tolstaya Franz Ferdinand, Prince of Isenburg Children Gioia Luisa von Halem Marie Cecile von Halem Carl Ferdinand von Halem Siblings Prince Franz Alexander, 9th Prince of Isenburg Irene Prinzessin von Isenburg Maria Annunciata Prinzessin von Isenburg Partners Franz Josef von Halem