| Coat of arms | A gold lion, on a crimson field (Gules, a lion or) |
|---|---|
| Words | Hear Me Roar! |
| Seat | Casterly Rock |
| Current Lord | Queen Regent Cersei Lannsiter |
| Region | Westerlands |
| Title | King of the Rock (formerly) Lord of Casterly Rock Shield of Lannisport Warden of the West |
| Overlord | House Baratheon of Kingslanding |
| Cadet Branch | House Lannister of Lannisport House Lannister of Dary |
| Ancestral Weapon | Brightroar (lost) |
| Founder | Lann the Clever |
| Founded | Age of Heroes |