About 1067 he bought the earldom of Northumberland from William the Conqueror; but, repenting of his submission, fled with other Englishmen to the court of Scotland (1068).
He also wrote The Sighs of the Repenting Magdalen and the unfinished tragedy Judith.
Somewhat later Ibrahim Khalil of Shusha, repenting of his Russophilism, determined to deliver up the Muscovite garrison at that place, but his plans were betrayed, and he and his relatives put to death.
Then, repenting this ill-judged step, he hurried in person to the French camp at Pietra Santa and humbled himself before the king.
Though Depretis, at the end of his life in 1887, showed signs of repenting of the confusion thus created, he had established a parliamentary system destined largely to sterilize and vitiate the political life of Italy.