[1] It was created on 16 June 1796 for Sir Peter Burrell, 2nd Baronet, who had earlier represented Boston and Haslemere in the House of Commons.
Merrik Burrell had previously represented Marlow, Grampound, Haslemere and Great Bedwyn in Parliament.
Lord Gwydyr married Priscilla Bertie, 21st Baroness Willoughby de Eresby, herself a descendant of the Aberffraw legacy through her grandmother Mary Wynn.
They were both succeeded by their eldest son, Peter Drummond-Burrell, 22nd Baron Willoughby de Eresby.
[3] Gwydyr House in London was the town-house of the Barons, now hosts the Office of the Secretary of State for Wales