Thomas sold the earldom to Archibald the Grim, Lord of Galloway and Earl of Douglas in 1372.
Archibald the Grim (b.b. 1330-1400), Lord of Galloway succeeded his once removed cousin as Earl of Douglas in 1388.
She was the second wife of Alan MacDonal, Lord of Galloway.
A motte and bailey castle was built by Roland, Lord of Galloway, in the 12th century, half a mile upstream from the later Norman castle.
Sometime between 1124 and 1125 Gilchrist, son of Erwini, witnessed a charter of the Lords of Galloway.
William may well have been a vassal of the Lord of Galloway.
The Lords of Galloway would have either paid tribute to the Scottish monarch, or at other times ignored him.
The Lords of Galloway are fairly well recorded in the 12th and 13th centuries, but the records are incomplete or conflicting at other times.
The Lords of Galloway remained semi-independent.
The alliance was renewed between the two kingdoms in 1371, with the embassy of the Bishop of Glasgow and the Lord of Galloway to France.