House Casterly is an extinct Great House of Westeros from the time of the First Men. They ruled the Westerlands as Kings from their seat of Casterly Rock, until they were swindled from their castle by the legendary trickster, Lann the Clever.
In the books
In A Song of Ice and Fire, the background of House Casterly is the same. Their sigil, motto and ultimate fate remains unknown.
- ↑ "The Complete Guide to Westeros: House Lannister" featurette, Season 1 Blu Ray boxset
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