From A Wiki of Ice and Fire
Lord of Seagard|
River king/King of the Trident
|Book(s)||The World of Ice & Fire (mentioned)|
Petyr claimed the title of river king or King of the Trident in the generations after the riverlands were conquered by the Storm King Arlan III Durrandon. Lord Petyr had a brief, inglorious reign before being put down.
- The World of Ice & Fire, The Riverlands.