Brotherhood without Banners

The brotherhood without Banners, also known as the knights of the hollow hill and the forgotten fellowship, is an outlaw group who initially fights Lannister rule in the name of King Robert I Baratheon. Led by the Lightning Lord, Beric Dondarrion, the group is founded in the riverlands by soldiers and nobles who were sent by the then-Hand of the King, Eddard Stark, to bring Gregor Clegane to justice. After they are ambushed while crossing a ford and nearly defeated, the group continues the fight as a guerrilla group. Their numbers increase as they are joined by defeated soldiers from other battles, deserters, and refugees from the War of the Five Kings and take on the mission of protecting the smallfolk from the depredations of any side of the war. Every man of the brotherhood receives a knighthood from Beric. 
Following Beric's resurrection of Catelyn Tully, she takes control of the group, specifically seeking vengeance for the death of her son, Robb Stark. After forcing Brienne of Tarth to bring Jaime Lannister to them, Lady Stoneheart coerces Jaime into getting them into a Frey wedding at Riverrun, where they essentially recreate the Red Wedding. Arya Stark then finds them, and realizing what her mother has become, kills her, becoming the leader of the Brotherhood. 
== History ==
=== A Song of Ice and Fire: Season 1 ===
=== A Song of Ice and Fire: Season 2 ===
=== A Song of Ice and Fire: Season 3 ===
=== A Song of Ice and Fire: Season 4 ===
=== A Song of Ice and Fire: Season 5 ===
=== A Song of Ice and Fire: Season 6 ===