Princess Stéphanie of Monaco Princess Stéphanie of Monaco Princess Stéphanie of Monaco, Countess of Polignac (Stéphanie Marie Elisabeth Grimaldi; born 1 February 1965) is the youngest child of Rainier III, Prince of Monaco, and the American actress Grace Kelly. She is the younger sister of Albert II, Prince of Monaco, and Caroline, Princess of Hanover. Currently 13th in the line of succession to the Monegasque throne, she has been a singer, swimwear designer and fashion model. Stéphanie was born to Rainier III and Grace Kelly on 1 February 1965 at Prince's Palace in Monaco. She is the youngest of their three children, after Caroline
Rainier III, Prince of Monaco have been romantically involved with his second cousin, Princess Ira von Fürstenberg, a former actress turned jewellery designer, who is also a Fiat heiress and the former sister-in-law of fashion designer Diane von Fürstenberg. Princess Ira, like him, is a great-grandchild of Lady Mary Victoria Hamilton, the Scottish-German wife of Prince Albert I of Monaco, though by Lady Mary's second marriage. After Grace's death, Rainier refused to remarry. Rainier established a postal museum in 1950: the Museum of Stamps and Coins, in Monaco's Fontvieille district by using the collections of the Monegasque princes Albert I and Louis II. The prestigious