Who is Reyna Valeriana in Ibong Adarna?

Reyna Valeriana is a character in the Filipino epic "Ibong Adarna." She is the queen of the Kingdom of Berbanya and the mother of the three princes: Don Pedro, Don Diego, and Don Juan. Valeriana plays a crucial role in the story as she is deeply affected by the curse placed on her husband, King Fernando, and seeks to restore harmony in the kingdom through the quest for the elusive Ibong Adarna, whose song can heal the king. Her character embodies themes of maternal love and the quest for redemption.