From A Wiki of Ice and Fire
Mermaid's Daughter was a great cog owned by Roggerio Rogare.
In 136 AC, following the Lysene Spring, Roggerio sold his pillow house in King's Landing, the Mermaid, and used the funds to purchase a cog. Converted into a pleasure barge with prostitutes, Mermaid's Daughter entertained patrons while traveling from port to port in the narrow sea. The ship also traded in spiced wines and exotic foods.
- ↑ 1.0 1.1 Fire & Blood, The Lysene Spring and the End of Regency.