Kevan is the second son of the late Lord Tytos Lannister. He is the brother of Lord Tywin Lannister, head of House Lannister and Lord of Casterly Rock. He is also uncle to Cersei, Tyrion and Jaime Lannister. His son is Lancel, a squire to King Robert Baratheon. He is a noted knight who serves his elder brother loyally as an adviser. He is respected for his wise and candid counsel.