Alexander Lindsay of Barnweill

Sir Alexander Lindsay of Barnweill, also known as Alexander de Lindsay, was a 13th-14th Scottish noble.

Alexander was the son of Sir David de Lindsay of the Byres. He was a supporter of Robert de Brus. He swore fealty and homage to King Edward I of England on 28 July 1296 at Berwick.

On 9 July 1297, Alexander, together with Sir James Stewart, High Steward of Scotland, Sir John Stewart of Bonkyll, Sir Robert de Brus, jure uxoris Earl of Carrick and Robert Wishart, Bishop of Glasgow capitulated at Irvine.

He was ordered in September 1305 to leave Scotland for six months for his participation in the uprising of Sir William Wallace and Sir Andrew Moray. Alexander was captured at the fall of Kildrummy Castle on 13 September 1306. He was taken to England and held prisoner. Alexander was one of the leaders of the Scottish army that capaigned in Galloway in 1308. He was lastly summoned to the Scottish parliament in 1309 and disappears from records afterwards.

Family
Alexander married firstly a daughter of Alexander Stewart, High Steward of Scotland. He married secondly Beatrix. He is known to have had the following issue:
 * John of Craigie
 * William, canon of Glasgow
 * Reginald
 * Alexander
 * David
 * Beatrice