From A Wiki of Ice and Fire
Princess Rhaenys is a war galley of the royal fleet in service to Stannis Baratheon. It has one hundred oars. It is named after either Princess Rhaenys Targaryen, the daughter of Prince Rhaegar Targaryen, or Princess Rhaenys Targaryen, the daughter of Prince Aemon Targaryen.
A Clash of Kings
Princess Rhaenys is part of Stannis Baratheon's fleet commanded by Ser Imry Florent during the Battle of the Blackwater.
- ↑ 1.0 1.1 A Clash of Kings, Chapter 58, Davos III.