The princess of the kingdom of Renais, Ephraim's twin sister, and one of the game's two protagonists. Kind-hearted and dislikes conflict, but strong of will and brave enough to face it head-on when it comes. Wonderfully skilled with a rapier, but lacks real combat experience. Flees to the kingdom of Frelia when her homeland is invaded by the Grado Empire.

The prince of the kingdom of Renais, Eirika's twin brother, and one of the game's two protagonists. A refined royal with a strong sense of justice and a proactive disposition. His skill with a lance has impressed even the knights of Renais, and he is only expected to grow in strength. When the Grado Empire invades his homeland, however, he disappears without a trace.