Leanne

Leanne is a non-playable character in Fire Emblem: Path of Radiance and a playable character in Fire Emblem: Radiant Dawn. The fourth princess of the Heron tribe of the laguz, she is the younger sister to Reyson and Rafiel and daughter to Lorazieh.

When she first awoke, she could only speak the Ancient Language. But under Nealuchi’s guidance, she has steadily learned the Tellius Language, gradually becoming able to speak it in broken sentences.

(Source: Fire Emblem Wiki)