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.
Ladislaus IV of Hungary Ladislaus the Cuman (Hungarian: "IV. (Kun) László" , Croatian: "Ladislav IV. Kumanac" , Slovak: "Ladislav IV. Kumánsky" ; 5 August 1262 – 10 July 1290), also known as Ladislas the Cuman, was king of Hungary and Croatia from 1272 to 1290. His mother, Elizabeth, was the daughter of a chieftain from the pagan Cumans who had settled in Hungary. At the age of seven, he married Elisabeth (or Isabella), a daughter of King Charles I of Sicily. Ladislaus was only 10 when a rebellious lord, Joachim Gutkeled, kidnapped and imprisoned him.