George Wilhelm hertog van Braunschweig-Lüneberg
From GATE
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.[1] George William was the father of Sophia Dorothea of Celle, wife of George I of Great Britain.
https://en.wikipedia.org/wiki/George_William,_Duke_of_Brunswick-L%C3%BCneburg
https://tinyurl.com/lgksnmt