Dervorguilla of Galloway (c. 1210 – January 28, 1290) was a 'lady of substance' in 13th century Scotland, the wife from 1223 of John, 5th Baron de Balliol, and mother of John I, a future king of Scotland.
The name Dervorguilla or Devorgilla was a Latinization of the Gaelic Dearbhfhorghaill (alternative spellings, Derborgaill or Dearbhorghil).
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