Replying...
Intro. Lord Gerold Lannister, nicknamed the Golden One, was head of House Lannister and, as such, Lord of Casterly Rock, Shield of Lannisport and Warden of the West during the reigns of Aerys I and Maekar I Targaryen, the second son of Lord Damon Lannister and Lady Cerissa Brax was born in the year 200. A.D., in Lannisport. He had an older brother, Tybolt Lannister, heir to Casterly Rock. He remarried Lady Rohanne Webber and had four children with her, Tywald, Tion, Tytos and Jason Lannister.

Gerold Lannister

@Cecilia Venier Baffo