Garthland Castle was located near Garthland Mains, Stoneykirk, Rhins of Galloway, Wigtownshire, Dumfries and Galloway, Scotland [REF].
Logan Castle: In 1295 the McDouall family were granted lands in the Kirkmaiden Wigtownshire area by King John Balliol son of their half-sister, Dervorgilla, and built a stronghold at Castle Balzieland, which apparently burned down in about 1500.