Helaena Targaryen was a member of the Targaryen dynasty in the fictional world of Westeros, created by George R.R. Martin. She was the daughter of King Aegon II Targaryen and Queen Helaena Targaryen, known for her beauty and gentle nature. Helaena was married to her brother, Aegon III Targaryen, as was customary in Targaryen culture to keep bloodlines pure. Helaena played a significant role during the Dance of the Dragons, a civil war between rival factions of the Targaryen family. Her life was marked by tragedy, including the loss of family members and the turmoil of war, which deeply affected her mental state and legacy.