his lesser known biography includes : imprisonment for treason against edward iv , framing william , lord hastings for treason , also framing hastings for complicity in witchcraft , which richard believed had killed his brother , edward iv , and threatened both his wife and son ; for what its worth , such witchcraft was practiced by morton himself , the suborning of henry , duke of buckingham , into the rebellion which cost the duke his life , the betrayal of england carried out in the service of king louis xi of france and , for margaret beaufort , in the service of henry tudor .