the Jacobite rising of 1715 the Clan Sinclair supported the Jacobite cause, however by the time of the Jacobite rising of 1745 the Clan Sinclair supported the British Hanoverian Government. Jacobite rising of 1715 In 1708, Chief John, Master of Sinclair (Son of Henry Lord Sinclair) after killing two men in duels was exiled to Prussia but later pardoned by Anne, Queen of Great Britain. In 1715, John Master of Sinclair captured a vessel with 420 stand of arms bound for the Earl of Sutherland. In 1715, at the Battle of Sheriffmuir, David Sinclair of Brabsterdorran fought for Jacobite cause, as did John, Master of Sinclair who fled to Orkney and then to Europe. On 3 November 1733, John Sinclair of Murkle the younger son of John 8th Earl created Lord Murkle. In 1736, Sir James Sinclair glazed the windows for the first time of Rosslyn Chapel, relaid the floor with flagstones and repaired the roof of the chapel. In 1736, Sir James Sinclair of Rosslyn resigned his office as hereditary Grand Master Mason of Scotland to the Scottish Lodges on their foundation. He was later reappointed for his life. The Sinclairs of Roslin (Rosslyn) laid claim to be hereditary Grand Master Masons of Scotland. In 1739 forty-four Scottish Freemasons' Lodges met in Edinburgh to found the Grand Lodge of Scotland. William St Clair was a candidate for Grand Master and promptly became the first elected Grand Master after offering to surrender his hereditary rights. On 17 June 1739 Major Malcolm Sinclair 'A good and faithful servant of Sweden' was charged with affairs of State, he was assassinated at Grunberg in Silesia by agents of Tsaritsa Anna of Russia. Jacobite rising of 1745 On 4 June 1745, Sir James Sinclair of Rosslyn, a lieutenant general with the Royal Scots regiment, was appointed the commander of the British Forces in Flanders. On 16 April 1746, at the Battle of Culloden, he commanded the Royal Scots regiment on the British-Hanoverian Government side. The Jacobite rebel, John Mackenzie, Lord MacLeod, tried raising the Sinclairs in arms but had little success: only about thirty men under Sinclair of Scotscalder arrived at the place of muster, and Sinclair of Scotscalder's estates were later forfeited. However, the Clan Sinclair was strongly Jacobite, but after hearing the news of the Jacobite failure at the Battle of Culloden, this apparently made them "sneak home again". It was also