She is a supporting character in Dragon Quest II. She lives at Sumaltria Castle (AKA Cannock Castle) and, as her name implies, is the sister of the Prince of Sumaltria (AKA Prince of Cannock) and the daughter of the King of Sumaltria (Cannock). Although this also makes her a descendant of Roto/Erdrick, she does not take part in the quest to defeat Hargon due to her young age. However, in the game's HD-2D Remake, she's a playable character and joins up with her brother and cousins.