Maria Von Kleve (or Marie de Clèves) (1426-1487) was a Princess and a benefactor during the 15th century. After her wedding with Duc Charles of Orleans, she began the Duchess of Orleans in 1440. She was the mother of the King of France Louis XII.
Museum of jewelry’s moonstone and pearl necklace, my golden pattern and the portrait of Maria Von Kleve / Marie de Clèves (16th century).
Sources : Pinterest and Wikipedia