Ronald and Nancy Reagan with the then Hereditary Prince of Monaco (now the Sovereign Prince) and Princess Caroline and Lynn Wyatt.
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.
The Princess Feodora of Hohenlohe-Langenburg (1866-1932). She was a daughter of Sovereign Prince Hermann and his wife, The Princess Leopoldine of Baden. She was the wife (1894-1904) and The Princess of Leiningen (1904-1932) as the wife of Emich The 5th Prince of Leiningen. Her children were The Prince Emich, Karl The 6th Prince of Leiningen, The Princes Hermann and Hesso, and The Princess Viktoria.