Princess Christina Margarethe of Hesse eldest daughter of Prince Christoph of Hesse and Princess Sophie of Greece and Denmark (1933–2011) Parents Princess Sophie of Greece and Denmark Prince Christoph of Hesse-Kassel Children Helene Sophie van Eyck Mark Nicholas van Eyck Prince Christopher of Serbia Princess Tatiana of Serbia Siblings Prince Rainer of Hesse Princess Friederike of Hanover Prince Karl of Hesse Prince Georg of Hanover Prince Welf Ernst of Hanover Princess Clarissa of Hesse Princess Dorothea of Hesse Partners Robert Floris van Eyck Prince Andrej of Yugoslavia