Wife of Edward the Outlaw

Can any of your correspondents inform me who was the wife of Edward the Outlaw, and consequently mother of Margaret of Scotland, and ancestress of the kings of England? The account adopted by most historians is that Canute, in 1017, sent the two sons of Edmund Ironside to the king of Denmark, whence they were transferred to Solomon, king of Hungary, who gave his sister to the eldest; and, on his death without issue, married the second Edward to Agatha, daughter of the Emperor Henry II. (or, in some accounts, Henry III., or even, in Grafton's *Chronicles*, called Henry IV.), and sister to his o…