George, the illegitimate son of William, 1st …
Years: 1397 - 1397
George, the illegitimate son of William, 1st Earl of Douglas, and Margaret Stewart, Dowager Countess of Mar and Countess of Angus and Lady Abernethy in her own right, is seen as the product of incest as his mother is the widow of Earl William's wife's brother, Thomas, 13th Earl of Mar.
Earl William's legitimate wife, Margaret of Mar, had already produced an heir for her husband in 1358: James, 2nd Earl of Douglas and Mar, who had inherited the title in 1384 upon his father's death.
Margaret of Angus in 1389 had relinquished her title in favor of her son, but he does not assume it until his betrothal in 1397 to the princess Mary, daughter of King Robert III.
Margaret’s influence must have been considerable: in addition to having obtaining a royal bride for her illegitimate son, she persuades King Robert to confirm the seventeen-year-old in his style of Earl of Angus, and also to bestow upon him the lordships of Abernethy, (Perthshire) and Bonkill, (Berwickshire); and "to endow him and his spouse with the justiciary fees of the County of Forfar, to ratify all gifts, entails, and leases made or to be made by Isabel, Countess of Mar, to the said Jorge her brothir" (Maxwell).
The Good Sir James Douglas, having been killed without issue in 1388, at the Battle of Otterburn, the Earldom of Mar, and all non-entailed Douglas possessions, had passed to his sister Isabel.
The earldom of Douglas had passed to a cousin, an illegitimate son of James Douglas, Archibald the Grim.
Archibald’s descendants are to form the famed line of Black Line of Douglases, and those of George the equally famed and longer-lived Red Line.
