From A Wiki of Ice and Fire
The chief undergaoler is one of the overseers of the dungeons in the Red Keep and answers to the chief gaoler. He commands over the undergaolers and keeps records on all prisoners held in each of the dungeons' levels.
Known chief undergaolers
- Rennifer Longwaters, a descendant of Jon Waters and Princess Elaena Targaryen
- ↑ A Feast for Crows, Chapter 8, Jaime I.