The wife of which king gave birth to a daughter who supposedly had an illegitimate child as a young girl?
Princess Sophia of the United Kingdom Princess Sophia of the United Kingdom (Sophia Matilda; 3 November 1777 – 27 May 1848) was the 12th child and 5th daughter of King George III and Charlotte of Mecklenburg-Strelitz. Sophia is perhaps best known for the rumours surrounding a supposed illegitimate child to which she gave birth as a young woman.
Bia de' Medici Bianca de' Medici, usually known as Bia de' Medici, (  1536 – 1 March 1542) was the illegitimate daughter of Cosimo I de' Medici, Grand Duke of Tuscany, born before his first marriage.