From A Wiki of Ice and Fire
Damon Lannister has been the name of multiple members of House Lannister:
- Lord Damon Lannister, known as the Grey Lion, a Lord of Casterly Rock.
- Ser Damon Lannister, eldest son of Ser Jason Lannister, older brother to Joanna and Stafford Lannister.
- Damion Lannister, a knight of House Lannister, cousin to the main branch.