From A Wiki of Ice and Fire
|Title||Lord of Riverrun|
|Book(s)||The World of Ice & Fire (mentioned)|
Axel Tully was a head of House Tully and the first Lord of Riverrun. His father was Ser Edmure Tully, a turncoat who supported the Andal warlord Armistead Vance after the death of Tristifer IV Mudd, King of the Rivers and the Hills.