His male line descendants died out in 1814; through his daughter, however, he is an ancestor of the present-day pretenders to the throne of France and Italy, the kings of Spain and Belgium and the Grand Duke of Luxemburg.

At the age of 13 his father died in Paris (22 February 1709)[1] and Louis Armand succeeded to the Conti title and wealth, although there was no real principality.

[citation needed] Louise Élisabeth was known to have been unfaithful to her husband, a liaison with the handsome Philippe Charles de La Fare was well known at court.

It was at this time that Louis Armand found out about Louise Élisabeth's affair with Monsieur de La Fare.

[citation needed] Louise Élisabeth stayed at the Palais Bourbon which was her mothers private home in Paris.

He was treated with great liberality by King Louis XIV, and also by the Regent, Philippe II, Duke of Orléans.

Louis Armand was a prominent supporter of the financial schemes of John Law, by which he made large sums of money.