For 10 points, identify this heir of Henry I who fought against Stephen of Blois during a period known as the Anarchy.
The actions of a supporter of this ruler are depicted in Dead Man's Ransom as well as in The Dream of Rhonabwy. This person's succession was assured when the son of the Mora's captain acted in a reckless manner, leading to the death of the heir apparent. This person's second marriage was arranged to counter the rising power of William Clito, who had recently married a relative of the king of France. Disguised as a corpse, this grandchild of William the Conqueror escaped Devizes after being besieged a year after Robert, Earl of Gloucester had led a successful attack in the Battle of Lincoln. For 10 points, identify this heir of Henry I who fought against Stephen of Blois during a period known as the Anarchy.
The actions of a supporter of this ruler are depicted in Dead Man's Ransom as well as in The Dream of Rhonabwy.
Empress {Matilda} (or Maude)