|Title || Lord of the Deep Den|
|Allegiance || House Lydden|
|Book(s) || A Game of Thrones (appears)|
A Clash of Kings (appears)
A Storm of Swords (mentioned)
A Feast for Crows (mentioned)
A Dance with Dragons (mentioned)
Lord Lewys Lydden is the Lord of the Deep Den.
A Game of Thrones
Lord Lydden is part of Tywin Lannister's army invading the Riverlands, riding alongside Ser Kevan Lannister in the center of Tywin's army during the Battle of the Green Fork.
A Clash of Kings
Lord Lewys was among the lords present for Joffrey I's first audience after the Battle of the Blackwater, having presumably ridden with Tywin during that battle as well.