John Hay, 4th Marquess of Tweeddale

His uncle, Lord John Hay, commanded the famous regiment of dragoons, afterwards called the Scots Greys, at the Battle of Ramillies.

Tweeddale, who was in London in 1745, was also sceptical, and even after he was aware that the Highlanders had left Perth in their march to the south, he wrote to the Lord Advocate, "I flatter myself they have been able to make no great progress", on the day when the Young Pretender entered the Palace of Holyroodhouse.

When the King refused to admit Pitt to the Government, Henry Pelham, the Prime Minister resigned, along with the members of the administration who supported him.

[2] During this period he built or converted a large mansion in Edinburgh between Hyndfords Close and St Marys Wynd: an area noe called Tweedale Court, which had long gardens running down to the Cowgate.

Frances was described by Horace Walpole and the Earl of Morton as merry, good company, and able to sing French, Greek, and Scotch songs.