The Grierson Story
- 1408
Gilbert Grierson receives a charter of the lands of Lag, 6 December[3]
- 1410
Gilbert Grierson is armour-bearer to Archibald, Earl of Douglas[3]
- 1488
Roger Grierson is wounded at Sauchieburn in June and dies soon after[3]
- 1513
Roger Grierson, husband of Agnes Douglas, is killed at Flodden[3]
- 1685
Robert Grierson of Lag is created a baronet of Nova Scotia, 28 March[3][2]

























Clan DouglasGilbert Grierson was armour-bearer to the Earl of Douglas in 1410; Roger Grierson married Agnes Douglas of Drumlanrig.