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
Jacques I, Prince of Monaco Jacques I, Prince of Monaco Jacques Goÿon de Matignon (Jacques François Léonor; 21 November 1689 – 23 April 1751) was Count of Thorigny, Prince of Monaco as Jacques I, and the fourth Duke of Valentinois from 1731 until 1733. Jacques came from an ancient Norman family. "Thorigny" is now called Torigni-sur-Vire, where the "Mairie" is the former family chateau. His uncle was Marshal Charles Auguste de Goÿon de Matignon. He was a son of Jacques Goÿon de Matignon, "jure uxoris" Comte de Thorigny, and Charlotte Goyon de Matignon, Comtesse de Thorigny "suo jure". When Antonio I of Monaco and his