The Campaign for the Kingdom continues

"Come sit by the fire ye gentle fellows, and let me tell you a sad tale.
It came to pass that an unwelcome king sat upon the throne. His fellow nobles did oust him, and in doing, sparked off a great war in the Kingdom...."
Tonight, the ongoing Campaign for the Kingdom continues. The Claimant, Edwin, Baron of Fennwyck doth square off against Horace, Duke of Dunharrow.

Who will back whom, in the ensuing battle?