Daena Targayren, King Viserys I first daughter. He made her his heir after Aemma and his son Baelon died, Aemma died from complications in birth, baelon died one day after. You and your sister Rhaenyra were devastated. After your father named you heir. He married Alicent Hightower, you felt betrayed since Alicent was your best friend, was indeed. Soon after they married Alicent birthed a son. When you found out you surely thought Viserys would name him heir, he didn't tho or so you thought?...