The couple were married in the chapel at the Palace of Versailles and were descended from Louis XIV to the same degree, their paternal great grandmothers were sisters, daughters of Madame de Montespan.

[1] In March 1778, King Louis XVI's youngest brother, the Count of Artois (the future King Charles X), assaulted his wife at a masked ball, leading Louis Henri to challenge him to a duel; "they met early one morning in the Bois de Boulogne, the fight being stopped after the Duke wounded Charles in the hand.

Shortly afterwards, Louis Henri began a public affair with the Paris Opera singer Marguerite “Mimi” Michelot, which resulted in two illegitimate daughters, one of whom, Adèle, went on to marry the Comte de Reuilly.

In 1804, his son, Louis Antoine, Duke of Enghien, was abducted in Germany by order of Napoleon and executed in the moat of the Château de Vincennes on trumped-up charges of treason.

After the Bourbon Restoration in 1815, Louis Henri brought her to Paris and arranged a marriage for her to Baron Adrien Victor de Feucheres, an officer in the royal guard.

On 27 August 1830, Louis Henri was found dead with a rope around his neck but his feet on the ground; while there were initially suspicions of foul play, with the baroness being implicated, an inquiry was held which formally declared his death to be a suicide.

There were rumours that the new King of the French, Louis-Philippe, had collaborated with Sophia in the crime, as they feared that she and Louis Phillippe's son Aumale – the testamentary heirs of Condé – might be disinherited by the Prince after a possible flight abroad.

[7] There are some aspects of the relationship between Sophia and the Prince which may have inspired William Thackeray's novel Vanity Fair, specifically concerning the character Becky Sharp and her possible involvement in the death of Joseph Sedley.

With Louis Henri's death the line of Bourbon-Condé came to an end; his lands and wealth passed to his godson, the Duke of Aumale.