William Douglas, 1st Earl of Queensberry (c. 1582 – 8 March 1639/40) was a Scottish noble.
He was the eldest son of James Douglas, 8th of Drumlanrig and his wife Mary Fleming. He inherited his father's title, as 9th Laird of Drumlanrig, in October 1615. Between 1616 and 1623, he held the offices of Provost of Lincluden, Sheriff of Dumfries, and Justice of the peace for Dumfries. On 1 April 1628 he was created lord Douglas, of Hawick and Tibbers, viscount Drumlanrig.
- James (before 1622 – 1671), who became second earl
- William (died 1673), ancestor of subsequent marquesses of Queensberry
- Archibald (born after 1604)
- Margaret (died 1640), married James Johnstone, 1st Earl of Hartfell in 1622
- Janet, married Thomas Maclellan, 2nd Lord Kirkcudbright 28 July 1640
- Chisholm, Hugh, ed. (1911). Encyclopædia Britannica. 22 (11th ed.). Cambridge University Press. p. 730. .
- Lundy, Darryl. "William Douglas, 1st Earl of Queensberry". The Peerage. Darryl Lundy. Retrieved 5 January 2019.[self-published source] This cites Mosley, Charles, editor: Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (2003).
- Debrett, J. (1814). The Peerage of the United Kingdom of Great Britain & Ireland: In Two Volumes. Scotland and Ireland. 2. The Peerage of the United Kingdom of Great Britain & Ireland: In Two Volumes. Scotland and Ireland. G. Woodfall. p. 634. Retrieved 5 January 2019.
|Peerage of Scotland|
|New creation|| Earl of Queensberry
James Douglas, 2nd Earl
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