William Wallace was the second son of Sir Malcolm Wallace of Elderslie, and of his wife Margaret, daughter of Sir Reginald Crawford of Crosby, hereditary Sheriff of Ayr. Blind Harry, a perfervid Scot himself, and keenly jealous for the perfection of his hero, exhibits lively anxiety to impress the fact that Wallace was a thorough Scotsman--' of whole lineage and true line of Scotland.' Sir Malcolm, he says, at his marriage, 'Elderslie then had in...