Jaena Targaryen

Jaena Targaryen is the second daughter to Viserys Targaryen and Helaena Velaryon, twin to Daenys I Targaryen.

History
Jaena grew up with Daenys in King's Landing.

Blood and Fire
Jaena is present during the betrothal feast where Viserys Targaryen was poisoned. After Elayne and Cregan's arrest, Jaena and her sister Daenys is sent away to the Tyrells to foster.

Ashes and Ice
Jaena reaches the House of Black and White, assuming the identity of Daenys I Targaryen, her twin, so that the parties in Westeros would think that Daenys was in Braavos and making no moves. She learns to be an assassin, assuming her identity as Daenys all along.

When she finally finishes her training