The titles of Lord Douglas of Neidpath, Lyne and Munard, Viscount of Peebles and Earl of March were created in the Peerage of Scotland in 1697 for Lord William Douglas, with remainder to heirs male of his body, failing which to his other heirs male and of tailzie. He was the second son of William Douglas, 1st Duke of Queensberry. He married Anne Hamilton, 2nd Countess of Ruglen, daughter of William Douglas, 3rd Earl of Selkirk and 1st Earl of Ruglen. They were both succeeded by their son William, the third Earl of March and third Earl of Ruglen. In 1768 he was created Baron Douglas of Amesbury, in the County of Wiltshire, in the Peerage of Great Britain. In 1778 Lord March and Ruglen also succeeded his first cousin twice removed Charles Douglas, 3rd Duke of Queensberry, as fourth Duke of Queensberry. However, he died unmarried in 1810. On his death the barony of Douglas of Amesbury and earldom of Ruglen became extinct. The dukedom was inherited by his second cousin once removed Henry Scott, 3rd Duke of Buccleuch for later history of this title) while the marquessate and earldom of Queensberry passed to his kinsman Sir Charles Douglas, 5th Baronet for later history of these titles). He was succeeded in the earldom of March and its two subsidiary titles by his second cousin once removed Francis Wemyss-Charteris, later the eighth Earl of Wemyss.