Prince George William of Great Britain Prince George William of Great Britain Prince George William of Great Britain (13 November 1717 – 17 February 1718) was an infant member of the British royal family, second son of King George II and Caroline of Ansbach who, at the time of his birth, were the Prince and Princess of Wales. He died aged 3 months, 4 days. Prince George William was born at St James's Palace, London. His father later, The Prince George, Prince of Wales, son of George I. His mother was Caroline of Ansbach, daughter of Johann Friedrich, Margrave of Brandenburg-Ansbach. Twenty-six days after his birth,
Sophia Jagiellon, Margravine of Brandenburg-Ansbach Sophia Jagiellon, Margravine of Brandenburg-Ansbach Sophia of Poland (, 6 May 1464 – 5 October 1512), was a princess, member of the Jagiellonian dynasty, great grand daughter of Emperor Sigismund and by marriage Margravine of Brandenburg-Ansbach and Brandenburg-Kulmbach. Born in Kraków, she was the second daughter of Grand Duke of Lithuania and King Casimir IV of Poland and his wife Archduchess Elisabeth of Austria, daughter of the German king Albrecht. She was named after her paternal grandmother, Sophia of Halshany, Queen of Poland. Sophia was baptised by John Gruszczynski, Bishop of Krakow. There is no information available concerning Sophia's upbringing