Gave birth to Louis Joseph, her first son and heir to the French throne.
Marie Antoinette gave birth to her first son, Louis Joseph Xavier François, on August 10, 1778 at Versailles. As the heir apparent, his birth was a significant event for the royal family, ensuring the continuation of the Bourbon line. This event further cemented her role as a pivotal figure within the monarchy, highlighting her part in succession planning amidst political and social tensions that were bubbling beneath the surface of French society.