John Hamilton-Leslie fought on the side of a King of Great Britain and Ireland who was the ruler of the Duchy and Electorate of Brunswick-Luneburg in what empire?
John Hamilton-Leslie, 9th Earl of Rothes John Hamilton-Leslie, 9th Earl of Rothes (1679–1722) was a Scottish nobleman who fought on the side of George I during the Jacobite rising of 1715.
Francis I, Duke of Saxe-Lauenburg Francis I of Saxe-Lauenburg (1510 – 19 March 1581, Buxtehude) was the eldest child and only son of Duke Magnus I of Saxe-Lauenburg and Catherine of Brunswick-Wolfenbüttel (1488 – 29 July 1563, Neuhaus), daughter of Duke Henry IV "the Evil" of Brunswick and Lunenburg (Wolfenbüttel). Francis I succeeded his father in 1543 as duke of Saxe-Lauenburg, but resigned in favour of his major son Magnus II in 1571. Two years later he reascended and was succeeded by Francis II in 1581.