House Lannister of Casterly Rock

House Lannister of Casterly Rock is a Great House of Westeros and is the '''Royal House of the Westerlands. They are Lords of Casterly Rock, Shields of the West, Kings of the Rock and Hills and Kings of the Westerlands. Their Sigil '''is a yellow lion on a red background. Their Words are ''“Hear Me Roar”. ''The current Head of House is Queen Diana Lannister.