Princess Friederike of Hanover Hanoverian princess (b. 1954) Parents Prince Georg Wilhelm of Hanover Princess Sophie of Greece and Denmark Children Jean-Paul Cyr Julia Cyr Siblings Princess Christina Margarethe of Hesse Prince Welf Ernst of Hanover Prince Georg of Hanover Prince Rainer of Hesse Princess Dorothea of Hesse Prince Karl of Hesse Princess Clarissa of Hesse Partners Jerry William Cyr