Velvet is the twin of Ingway and daughter of Princess Ariel and Demon Lord Odin in the action role-playing game Odin Sphere.
Odin Sphere - Velvet Papercraft

Gwendolyn is the Valkyrie princess of Ragnanival, the youngest of two daughters of Demon Lord Odin in the 2D fantasy action RPG video game Odin Sphere.
Odin Sphere - Valkyrie Gwendolyn Papercraft

Alice is a young human girl who reads the Odin Sphere books in the PlayStation 2 2-D fantasy role playing game Odin Sphere.
Odin Sphere - Alice & Socrates Papercraft

Mercedes, a young fairy that residing in the forest of Ringford is one of the five protagonists of the role playing game Odin Sphere. She's the daughter of the Queen Elfaria and thus the Princess of the Fairy race.
Odin Sphere Papercraft: Mercedes