George Wilhelm hertog van Braunschweig-Lüneberg
George William German: Georg Wilhelm (Herzberg am Harz, 26 January 1624 – 28 August 1705, Wienhausen) was Duke of Brunswick-Lüneburg. He ruled first over the Principality of Calenberg, a subdivision of the duchy, then over the Lüneburg subdivision. In 1689, he occupied the Duchy of Saxe-Lauenburg and passed it on to his successors. George William was the father of Sophia Dorothea of Celle, wife of George I of Great Britain.