A Feast for Crows (Appears)|
A Dance with Dragons (mentioned)
Rennifer Longwaters is the chief undergaoler of the dungeons beneath the Red Keep. He is a bowed old man. He is descended from Ser Jon Waters, the bastard son of Princess Elaena Targaryen and Alyn Velaryon. He keeps the counts of the prisoners in the cells.
He's bentbacked and old, with spots on his head and white hairs on his chin.
He first came to work in the Red Keep twelve years past.
A Feast for Crows
Ser Jaime Lannister enquired into Rennifer's role in the escape of Tyrion Lannister. Rennifer explained how the cells work, and boasts of having royal blood. When Ser Jaime seeks out Ser Ilyn Payne before departing for the riverlands, Rennifer lets Ser Jaime into Ser Ilyn's quarters.
—Rennifer to Jaime Lannister