Tyrion Lannister is the youngest son of Joanna Lannister and Lord Tywin Lannister. Tywin was the head of House Lannister, the richest man in Westeros and Lord Paramount of the Westerlands. The Westerlands are one of the constituent regions of the Seven Kingdoms and House Lannister of Casterly Rock is one of the Great Houses of the realm. He is the younger brother of Jaime and Cersei Lannister. […]