User blog comment:It's Good to be the Queen/Get over yourself, Morgana/@comment-174.109.198.20-20131210234816/@comment-5674726-20131211000152

Yes. Princesses Elena and Mithian were heirs to their fathers' thrones, and based on Gaius' words, Morgana would have been considered second in line to throne had she been known to be Uther's daughter, prior to her attempt to seize the throne.