Question: When did Louise Marie Adélaïde De Bourbon, Duchess Of Orléans's father die?
Sentence (from "Louise Marie Adélaïde de Bourbon, Duchess of Orléans"): At the death of her brother, Louis Alexandre de Bourbon-Penthièvre, "prince de Lamballe", she became the wealthiest heiress in France prior to the French Revolution.
Relevant evidence: No