Leif ​is a playable character from Fire Emblem: Genealogy of the Holy War, Fire Emblem: Thracia 776, ​and as DLC Fire Emblem: Awakening. He is the prince of Leonster, the son of Quan and Ethlyn, brother of Altena, the nephew of Sigurd, the cousin of Seliph, and the grandson of Vylon (Ethlyn's side of the family) and Calf (Quan's side of the family). He is the descendant of Noba on Quan's side and Baldur on Ethlyn's side.