Princess Tatiana of Serbia Serbian royal (born 1957) (b. 1957) Parents Princess Christina Margarethe of Hesse Prince Andrej of Yugoslavia Children Sonia Thune-Larsen Olga Thune-Larsen Siblings Prince Dimitri of Serbia Prince Christopher of Serbia Princess Lavinia of Serbia Prince Vladimir of Serbia Helene Sophie van Eyck Mark Nicholas van Eyck Partners Gregory Thune-Larsen