House Lannister was established many thousands of years by a trickster-hero called Lann the Clever, who tricked the powerful Casterly family into abandoning their stronghold of Casterly Rock, which the Lannisters took for their own.
house lannister of casterly rock is one of the great houses of the seven kingdoms, and the principal house of the westerlands. their sigil is a golden lion on a field of crimson. their official motto is “hear me roar!” fair-haired, tall, and handsome, the lannisters are the blood of andal adventurers who carved out a mighty kingdom in the western hills and valleys. through the female line they boast of descent from lann the clever, the legendary trickster of the age of heroes who tricked the members of house casterly into giving him casterly rock during the era of the first men.