Affair of the Diamond Necklace
At the age of seventeen, Victoire married her cousin, Henri Louis de Rohan, Duke of Montbazon, who was fifteen at the time. He was a member of the senior branch of Rohan, the Princes of Guéméné. He was a nephew of the Cardinal de Rohan, who was disgraced in the infamous Affair of the Diamond Necklace. Henri Louis eventually became the Grand Chamberlain of France. The couple had five children.