Leanne (Japanese: リアーネ Learne) as a heron Laguz and the princess of Serenes Forest. She, along with her older brother Reyson, is one of the few survivors from the Serenes Massacre. She is also the younger sister of Rafiel. She is extremely caring and demonstrates willingness to learn in her studies of the new language. In Fire Emblem: Path of Radiance, Ike and the Greil Mercenaries find Leanne while searching for Duke Oliver in Serenes Forest. Although she has in-game statistics, she is never playable. In Fire Emblem: Radiant Dawn, Leanne travels with her caretaker, Nealuchi, and at several different points in time participates in battle.
(Source: Fire Emblem Wiki)
