which leads Mark to banish Tristan from Cornwall.

In the Prose ''Tristan'', Mark is the son of king Felix and his character deteriorates from a sympathetic cuckold to a villain; he rapes his niece and murders her when she produces his son, Meraugis. Mark also murders his brother, Prince Boudwin, and later kills Boudwin's vengeful teenage son Alisander (Alisuander, Alexander) the Orphan. In earlier variants of the story, Tristan