thumb|The Family of the Duke of Valentinois, Pierre Gobert
Louise Hippolyte (; 10 November 1697 – 29 December 1731) was Princess of Monaco from 20 February 1731 until her death in December that same year. She was one of only two women to rule Monaco (along with Lady Claudine).
Biography
Born at the Prince's Palace in Monaco, Louise Hippolyte Grimaldi was the second daughter of Antonio I of Monaco and Marie de Lorraine-Armagnac. The second of six children born to her parents, she was the first of their children to survive infancy.
Issue
- Antoine Charles Marie (16 December 1717 – 4 February 1718), Marquis des Baux and Count de Matignon, died in infancy.
- Charlotte Thérèse Nathalie (19 March 1719 – 1790), nun at the Convent of Visitation at Paris.
- Honoré III Camille Léonor (10 November 1720 – 21 March 1795), successor of his parents.
- Charles Marie Auguste (1 January 1722 – 24 August 1749), Count de Carladès and de Matignon died aged 27, unmarried and without issue.
- Jacques (9 June 1723 – 10 June 1723) died in infancy.
- Louise Françoise (15 July 1724 – 15 September 1729), Mademoiselle des Baux, died in childhood.
- François Charles (4 February 1726 – 9 December 1743), Count of Thorigny, died aged 17 unmarried and without issue.
- Charles Maurice (14 May 1727 – 18 January 1798), Count de Valentinois; married on 10 November 1749 to Marie Christine Chrétienne de Rouvrois; no issue.
- Marie Françoise Thérèse (20 July 1728 – 20 June 1743), Mademoiselle d'Estouteville, died unmarried and without issue.