In her new film, ZDF royal house expert Julia Melchior explores the European family network of the Coburgs.
Bulgaria's former King Simeon welcomes her to his residence in Sofia.
In Belgium, the royal family opens the palace doors and in Great Britain she sets off in search of the Coburg roots of the British royal family.
Rich in anecdotes and visually stunning, the film uses selected biographies to tell the story of what is probably the most European family on the continent.
First broadcast: Tuesday, June 13, 2017 at 20:15 on ZDF