treason — in the terse entry of the judicial record, combusta. Knocking around Glamis Castle — where Shakespeare’s great villain Macbeth got his start, as Thane of Glamis* — Janet Douglas had the going enmity of Scottish king James V on the substantial grounds that Janet’s father had held the teen-king his virtual prisoner for a few years in the 1520s. Once James got free, he proscribed the lady’s brother, the Earl of Angus (whom Janet continued to shelter when occasioned), confiscated properties, forbade Douglases from approaching his person, and all that sort of thing. Presumably according to this same...