Clan Johnstone of Scotland; settled originally in Annandale where they became one of the most powerful Border clans, first recorded in 1194 with Gilbert, son of John Johnstone. Sir John Johnston submitted to Edward I of England in 1296. Adam Johnstone became Laird of Johnstone in 1412 and fought at the Battle of Sark in 1448; his son was rewarded with Douglas lands at Buittle and Sannoch for his part in suppressing the Douglas rebellion. Also seated at Westerhall, Scotland, and Holly Park in County Down, Ireland.
Arms: Argent, a saltire sable, on a chief gules, three cushions or.
Crest: A winged spur or.
Motto: Nunquam non paratus (Never unprepared).