Board Thread:General Discussion/@comment-190.84.45.2-20140421050713/@comment-24831890-20140421093743

It hasn't been confirmed in the series as of yet. All thats been confirmed in any of the episodes is that the baby is of Royal blood. With Kelly taking the baby into hiding before a paternity test could be arranged there may not be a canon answer anytime soon. That having been said, the characters all seem to have accepted Sean as the father,  and with Eric dead I'm not sure it really matters. Sean accepts Diana as his daughter, and that may end up being enough to settle the matter.

That aside, the writers have said off-screen that Sean is the father.