House Lannister of Castamere

House Lannister of Castamere is one of the most powerful Houses of the Westerlands, holding the ancient keep Castamere, previously held by House Reyne. House Lannister of Castamere was founded in 295 AC by Gerold Lannister, who is the son of Lord Tywin Lannister, the current Lord of Casterly Rock and Warden of the West.