Selwyn Tarth

Selwyn Tarth is a character in Game of Thrones. He is indirectly mentioned in the third episode of the second season. Lord Selwyn Tarth, the father of the warrior-woman Brienne and a vassal of House Baratheon. After the outbreak of the War of the Five Kings, Lord Selwyn has declared for Renly Baratheon.

Background
Selwin Tarth is the Lord of Evenfall Hall and the ruler of Tarth, an island located in Shipbreaker Bay.

Season 2
After Brienne defeats Loras Tyrell in single combat, King Renly is impressed by the warrior-woman's prowess and states that she is everything her father said she was and more.

In the books
In the A Song of Ice and Fire books is described as a good man of fifty-four years old. Also known as 'The Evenstar', he's also a widower remembered by Brienne as having a new woman every year.