 Upon the death of her mother, and already having been a part of the family of the king and queen for years, she was formally adopted by the royal couple on 9 November 1788, and awarded a pension of 12,000 livres by the king.She slept in the same room as Marie Thérèse, was educated with her and treated as a royal child by the royal governesses.Lambriquet was not the only adopted child of the royal couple, who adopted three other children