Louis XV child Charles Louis Cadet de Gassicourt
Illegitimate issue
Louis XV had several illegitimate children, although the exact number is unknown. Historiography suggest the following as possible issue of the King:With Pauline Félicité de Mailly (1712 – 9 September 1741), by marriage marquise de Vintimille. She died after giving birth to a son:
Charles Emmanuel Marie Magdelon de Vintimille (Versailles, 2 September 1741 – Saint-Germain-en-Laye, 24 February 1814), marquis du Luc. Recognized by his mother's husband, although was highly probable that his biological father was Louis XV, especially in adulthood, when he was called Demi-Louis ("Small Louis") for his exceptional resemblance with the King. He was appointed Maréchal de camp and Governor of Porquerolles. Married to Adélaïde de Castellane on 26 November 1764, he fathered three children.
With Jeanne Perray:
Amélie Florimond de Norville (Saint-Eustache, Paris, 11 January 1753 – 27 September 1790). Registered one day after her birth (12 January 1753) as a daughter of a certain bourgeois from Paris, called Louis Florimond de Norville, a non-existent person; the paternity of the King is suggested by later evidence. Married to Ange de Faure (1739–1824) on 1 June 1780, with whom she had two children.
With Marie-Louise O'Murphy (21 October 1737 – 11 December 1814), an Irish adventuress:
Agathe Louise de Saint-Antoine de Saint-André (Paris, 20 May 1754 – Paris, 6 September 1774). The first illegitimate child of the King whose parentage was certain, but she was never officially recognized; in fact, she was registered as a daughter of a Louis de Saint-André, Old official of infantry and Louise-Marie de Berhini, resident of Saint-Antoine street, non-existent persons. In November 1773 she received from the King her letters of Official Recognition of Nobility (which enabled her to marry a nobleman), and funds of 223,000 livres. One month later, on 27 December 1773, she married René Jean de La Tour-du-Pin, marquis de la Charce, and died after only nine months of marriage as a consequence of a miscarriage.
Marguerite Victoire Le Normant de Flaghac (Riom, Puy-de-Dôme, 5 January 1768 – 25 January 1830). Officially recognized by her mother's second husband, she was probably also an illegitimate child of the King. Married firstly on 24 February 1786 to Jean-Didier Mesnard, comte de Chousy, with whom she had two children; after her divorce following the incarceration of her husband in 1793, she then married Constant Lenormant d'Étiolles (a son of the husband of Madame de Pompadour) in November 1794, with whom she had another child.
With Françoise de Châlus (24 February 1734 – 7 July 1821), by marriage Duchesse de Narbonne-Lara:Philippe Louis Marie Innocent Christophe Juste de Narbonne-Lara (Parma, 28 December 1750 – Paris, 10 May 1834), Duc de Narbonne-Lara. Captain of the Dragons Regiment of the Queen, Colonel of the Regiment of Forez and Field Marshal in 1790. Married on 3 February 1771 to Antoinette-Françoise-Claudine de La Roche-Aymon. No issue.
Louis Marie Jacques Amalric de Narbonne-Lara (Colorno, 23 August 1755 – Torgau, 17 November 1813), called Comte de Narbonne-Lara. Colonel of the Army and Honorary Chamberlain of Princess Madame Marie Adélaïde of France.  In 1786 he was appointed a commander of an infantry regiment and remained in that post until the eve of the French Revolution and later served under Napoleon. Married on 16 April 1782 to Marie Adélaïde de Montholon, with whom he had two daughters.  He also fathered two other children out of wedlock.
With Marguerite Catherine Haynault (11 September 1736 – 17 March 1823):
Agnès Louise de Montreuil (Saint-Sulpice, Paris, 20 May 1760 – Montmelas, 2 September 1837). Registered as a daughter of a certain Louis de Montreuil, old Official of cavalry, a non-existent person, the paternity of the King is supported by other evidence. Married on 9 December 1778 to Gaspard d'Arod de Montmelas (brother-in-law of her own mother), with whom she had four children.
Anne Louise de La Réale (Saint-Paul, Paris, 17 November 1762 – Saint-Germain-en-Laye, 30 April 1831). Registered as a daughter of Antoine Louis de la Réale, old Captain of cavalry, a non-existent person, the paternity of the King is supported by further evidence. Married on 28 August 1780 to René Guillaume Paul Gabriel Etienne de Geslin, Comte de Geslin, with whom she had six children.
With Lucie Madeleine d'Estaing (10 May 1743 – 7 April 1826), a half-sister of the Admiral d'Estaing:Agnès Lucie Auguste (Paris, 14 April 1761 – Boysseulh, 4 July 1822). Married on 5 December 1777 to Charles de Boysseulh, vicomte de Boysseuilh, with whom she had three children.
Aphrodite Lucie Auguste (Versailles, 8 March 1763 – Artonne (Puy-de-Dôme), 22 February 1819). Married on 21 December 1784 to Jules de Boysseulh (her step-brother; son of the first marriage of her mother's husband), with whom she had one daughter.
With Anne Coppier de Romans (19 June 1737 – 27 December 1808), Baroness de Meilly-Coulonge:
Louis Aimé of Bourbon (Passy, Paris, 13 January 1762 – Rome, 28 February 1787), called the Abbot of Bourbon; he was the only one of the illegitimate children of Louis XV who was officially recognized. Abbot of Saint Vincent de Metz, French Ambassador in Rome from 1785. He died of smallpox.
With Jeanne Louise Tiercelin de La Colleterie (26 November 1746 – 5 July 1779), called Madame de Bonneval:
Benoît Louis Le Duc (7 February 1764 – 1837). Registered as a son of Louis Le Duc, old cavalry official and lady Julie de la Colleterie, both non-existent persons; his royal parentage was supported by later evidence.
With Marie Thérèse Françoise Boisselet (1731 – 1800):
Charles Louis Cadet de Gassicourt (23 January 1769 – 21 November 1821). Officially recognized by her mother's husband, Louis Claude Cadet de Gassicourt as his own; this story, recorded by Charles Louis' personal friend, Baron Paul Thiébault in his Memoirs, was challenged by later historiography, but later reasserted by modern works.
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