Who is donya juana in the story ibong adarna?

In the Philippine epic "Ibong Adarna," Donya Juana is one of the three daughters of King Berlang and Queen Phaedra. She is known for her beauty and is one of the princesses who becomes involved in the quest to find the magical Ibong Adarna, a bird whose song can heal their ailing father. Juana, along with her sisters, plays a significant role in the story as they navigate family dynamics and rivalries. Her character represents loyalty and love for her family amidst the challenges they face.