Dervorguilla of Galloway was a "lady of substance" in 13th century Scotland, the wife from 1223 of John de Balliol and mother of John I, a future king of Scotland.
Dervorguilla of Galloway, Lady of Balliol by Wilhelm Sonmans
Sweetheart Abbey, Galloway
Devorguilla Bridge, Dumfries
John de Balliol was an English nobleman, belonging to the House of Balliol. Balliol College, in Oxford, is named after him.
John de Balliol, mezzotint, c. 1731