Marie Henriette Stuart – Princess of Orange and Countess of Nassau.
From left. HRH Prince Alvaro de Orleans-Borbon, HRH Princess Caroline of Hanover, HSH the Sovereign Prince Albert II of Monaco, His Majesty the King of Spain Juan Carlos, HRH Princess Antonella de Orleans-Borbon
Prince Philipp (Duke of Edinburgh's) sister Margarita of Greece & Denmark.
Diadem, c. 1829 - belonged to Stéphanie de Beauharnais, first cousin, once removed, of Empress Josephine's first husband; adopted and raised to imperial rank by Napoleon. Consort of Karl, Grand Duke of Baden, and ancestress of the former Kings of Romania and former King of Yugoslavia, the present King of the Belgians, the present Grand Duke of Luxembourg and the present Sovereign Prince of Monaco.
Maurice of Nassau was sovereign Prince of Orange from 1618, on the death of his eldest half brother, Philip William, Prince of Orange.
Maximilien Bthune Duc De Sully 1559-1641 Also Called Sovereign Prince Henrichemont Et De Bosbelle Soldier Prominent French Minister And Counsellor To Henry Iv From The Book Crabbs Historical Diction