Was Marie-Thérèse the only child of her parents to reach adulthood?
Yes
No
She had a twin who reached adulthood
Not known
Answer
Yes, Marie-Thérèse was the only child of her parents to reach adulthood. Her older brother, Louis-Joseph, died in infancy. Marie-Thérèse's father, Louis XV, had several other children, but none of them survived to adulthood.
Discover the Resilient Duchess: The Extraordinary Life of Marie-Thérèse, Duchess of Angoulême