Dorothea Friederike of Brandenburg-Ansbach Dorothea Friederike of Brandenburg-Ansbach Dorothea Friederike of Brandenburg-Ansbach (12 August 1676 – 13 March 1731) was the daughter of Margrave John Frederick of Brandenburg-Ansbach (1654–1686) and his first wife, Margravine Johanna Elisabeth of Baden-Durlach (1651–1680). She was a half-sister of Queen Caroline of Great Britain, the wife of King George II On 20 (or 30) August 1699, Dorothea Friederike Count married Johann Reinhard III of Hanau-Lichtenberg. She was the last Countess of Hanau. The marriage produced one daughter: Charlotte Christine Magdalene Johanna (1700–1726). Charlotte was the sole heiress of the county of Hanau and married on 5 April 1717 Crown
Charles Alexander, Margrave of Brandenburg-Ansbach second cousin, as King George III, when Charles was 24). After the sudden death of his elder brother Charles Frederick August on 9 May 1737, "Alexander", as he later called himself, became Crown Prince of the principality. From 1748 to 1759, he studied at Utrecht. As the young "Count of Sayn" (the county of Sayn-Altenkirchen in the Westerwald having been absorbed into the Principality of Ansbach in 1741) he travelled to Turin and Savoy. On 22 November 1754, in Coburg, Charles Alexander married Princess Frederica Caroline of Saxe-Coburg-Saalfeld (1735–1791), daughter of Franz Josias, Duke of Saxe-Coburg-Saalfeld, and Anne Sophia, Princess