Louise Marie Madeleine Fontaine
Louise gives birth to a son, Jacques-Armand on 3 March 1727 in Paris.
Thanks to the generosity of Samuel Bernard and his income of the "Ferme générale", Claude Dupin could obtain a considerable fortune, mainly in lands. Monsieur and Madame Dupin occupy a privilege position and had a lavish lifestyle. On 12 April 1732 Claude Dupin, jointly with his mother-in-law Manon Dancourt, bought the prestigious Hôtel Lambert in the Île Saint-Louis for the sum of 140,000 livres. On 9 June 1733 he acquired the magnificent Château de Chenonceau from the Duke of Bourbon for 130,000 livres. Each year, the Dupins spent the autumn in the Touraine. Starting in April 1741, Louise, with her husband, son and stepson, remained in the Hôtel de Vins, located in the Parisian Plâtrière street and from 1752 they also owns a house in Clichy-sur-Seine where they spend the summer months. On 24 April 1738 with the acquisition of the Marquisate of Blanc and the Castellany of Cors, located at the limits of Berry and Poitou, they completed their patrimony. The Marquisate of Blanc includes the "Château-Naillac", the "château de Roche", the "Château de Rochefort", "Château de Cors", "Château de Forges", with his respectives properties, farms, ponds and lands, who produced a total of 555,000 livres, four times the prize of Chenonceau. But soon difficulties arosed with the Countess of Parabère, the former owner, who caused the sequestration of Blanc lands and only after a decree of the Parlement of Paris dated 2 September 1739, confirmed by a judgment of 11 December, confirmed Claude Dupin as the legitimate owner of this lands and could recovered them.
House of La Fayette
Adrien Jules and Olivia had a son, Louis de Lasteyrie who married Olivia Mills Goodlake; they had two children, Gui de Lasteyrie (b. 1878), and Louis de Lasteyrie (1881–1955). Louis married Louise Chodron de Courcel, in 1908.
Juste-Charles de la Tour-Maubourg (Motte-Galaure, Drôme 8 June 1744, 28 May 1831), married Anastasie de Lafayette; they had two children: Célestine Louise Henriette de Fay de La Tour-Maubourg (1799 – 16 July 1893), and Jenny de Fay de La Tour-Maubourg (6 September 1812 – 15 April 1897). He was a French soldier and politician during the French Revolution, and the First French Empire. His father was Claude Florimond du Faÿ (1712–1790) and his mother was Marie Françoise de Vacheron de Bermont (b.1712). His younger brother, Marie Victor de Fay, marquis de Latour-Maubourg, was a Cavalry Corps commander, survived the Russian Campaign and was wounded at the battle of Leipzig.