The wife of which king gave birth to a daughter who supposedly had an illegitimate child as a young girl?
Charlotte of Mecklenburg-Strelitz Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was by marriage to King George III the Queen of Great Britain and Ireland from her wedding in 1761 until the union of the two kingdoms in 1801, after which she was Queen of the United Kingdom of Great Britain and Ireland until her death in 1818. She was also the Electress of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, after which she was also queen consort of Hanover.
Marie Anne de Bourbon Marie Anne de Bourbon, "Légitimée de France" (2 October 1666 – 3 May 1739) was the eldest legitimised daughter ("fille légitimée de France") of King Louis XIV of France and his mistress Louise de La Vallière. At the age of thirteen, she was married to Louis Armand de Bourbon, Prince of Conti and as such was the Princess of Conti by marriage. Her father's favourite daughter, Marie Anne was widowed in 1685 aged 19. She never married again and had no children. Following her mother's retirement to a convent, Marie Anne continued to reside at her father's court and was later her mother's heiress. She later became the Duchess of La Vallière in her own right.