Jacques I, Prince of Monaco

**Jacques Goÿon, Count of Matignon** (_Jacques François Léonor_; 21 November 1689 – 23 April 1751) was Count of Thorigny and Matignon. He was also the Prince of Monaco as **Jacques I** after his marriage to Princess Louis Hippolyte of Monaco. He also built the Hôtel Matignon.

## Life

Jacques was born in Normandy. His father was the Count of Matignon. Jacques became the Count of Matignon in 1675 when his father died. Jacques married Princess Louise Hippolyte Grimaldi of Monaco.

## Issue

The children of the couple were technically given the surname of "Goyon" after their father however they were sometimes also known under the surname of Grimaldi too.

1. Antoine Charles Marie Grimaldi (16 December 1717 – 4 February 1718), Marquis of Baux and Count of Matignon.
1. Charlotte Thérèse Nathalie Grimaldi  (19 March 1719 – 1790), nun at the Convent of Visitation at Paris.
1. Honoré Grimaldi (10 November 1720 – 21 March 1795), successor of his parents.
1. Charles Marie Auguste Grimaldi  (1 January 1722 – 24 August 1749), "Count of Carladés" and of Matignon.
1. Jacques Grimaldi  (9 June 1723 – June 1723) died young.
1. Louise Françoise Grimaldi  (15 July 1724 – 15 September 1729), _Mademoiselle des Baux_.
1. François Charles Grimaldi (4 February 1726 – 9 December 1743), "Count of Thorigny".
1. Charles Maurice Grimaldi (14 May 1727 – 18 January 1798), "Count of Valentinois"; married on 10 November 1749 to Marie Christine de Rouvroy; no children.
1. Marie Françoise Thérése Grimaldi (20 July 1728 – 20 June 1743), _Mademoiselle d'Estouteville_ died of smallpox unmarried.

## Name and title

Jacques was baptised with the names _Jacques François Léonor_. Using the name Jacques, his surname was Goyon. His **title** was "Comte de Matignon". This is French for "Count of Matignon". Therefore the mixture of Goyon and Matignon is unnecessary, and incorrect.

## Infobox (royalty)

- **name**: Jacques I
- **image**: Jacques I, Prince of Monaco.jpg
- **caption**: Jacques I by Nicolas de Largillière, Largillière
- **succession**: Prince of Monaco
- **reign**: 29 December 1731 –
7 November 1733
- **predecessor**: Louise Hippolyte, Princess of Monaco, Louise Hippolyte
- **successor**: Honoré III, Prince of Monaco, Honoré III
- **succession1**: Prince consort of Monaco
- **reign1**: 20 February – 29 December 1731
- **birth place**: Normandy, Torigni-sur-Vire, Normandy, France
- **death place**: _Hôtel Matignon_, Paris, France
- **full name**: Jacques François Léonor Goyon
- **house**: House of Grimaldi, Grimaldi
- **spouse**: Louise Hippolyte, Princess of Monaco
- **father**: Jacques Goyon, Count of Matignon
- **mother**: Charlotte, Countess of Thorigny
- **issue-link**: #Issue
- **issue**: Prince Antoine, Marquis of Baux, Antoine, Marquis of Baux
Charlotte of Monaco (1719 – 1790), Charlotte, Nun at the Convent of Visitation, Paris
Honoré III, Prince of Monaco, Prince Honoré III
Prince Charles, Count of Carladès, Charles, Count of Carladés
Prince François, Count of Thorigny, François, Count of Thorigny
Prince Charles Maurice, Count of Valentinois, Charles Maurice, Count of Valentinois
Princess Françoise, Mademoiselle d'Estouteville, Françoise, Mademoiselle d'Estouteville