Cynewyn of Drayton
In real life, Isabelle de Broyes was married three times before the age of 21, when she married Thurstan, had one child and then returned to France, where she lived and died. In the story she suffers from extreme PTSD from her sexual abuse in her previous marriages, a common occurrence at the time. Because she is so wealthy, and a descendant of Charlemagne, she has the resources to build an Abbey and run away to live there. In Piercing Time she’s spiteful and a little cruel to Cynewyn, but that is not the final act in her story.