Florestan I, Prince of Monaco

Florestan I, Prince of Monaco (Tancrède Florestan Roger Louis; 10 October 1785, – 20 June 1856) was Prince of Monaco and Duke of Valentinois from 2 October 1841 until his death. He was the second son of Prince Honoré IV and Louise d'Aumont Mazarin and succeeded to the throne on the death of his brother, Honoré V.

Issue

 * 1) Charles III, Prince of Monaco (8 December 1818 – 10 September 1889) married Antoinette de Mérode and had issue.
 * 2) Princess Florestine of Monaco (22 October 1833 – 4 April 1897) married Wilhelm, Duke of Urach and had issue.

Titles and styles

 * 10 October 1785 -27 November 1816 His Serene Highness Prince Florestan of Monaco.
 * 27 November 1816 -16 February 1819 His Serene Highness the Count Grimaldi of Monaco (title used due to unequal marriage)
 * 16 February 1819 – 2 October 1841 His Serene Highness The Marquis of Baux.
 * 2 October 1841 – 20 June 1856 His Serene Highness The Prince of Monaco.