Gerion Lannister
Son of Tytos and Jeyne Lannister and younger brother of Tywin. He appears only in the Lannister family tree shown in the series finale.
Parents
- Tytos LannisterDeceased
- Jeyne Lannister
Son of Tytos and Jeyne Lannister and younger brother of Tywin. He appears only in the Lannister family tree shown in the series finale.