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Intro. Ser Daven Lannister is the eldest son of Ser Stafford Lannister and Myranda Lefford was born in 272 AD. Daven Lannister married his sister Myrielle Lannister, his father Stafford Lannister is killed in the Battle of Ox Crossing by Lord Rickard Karstark. His uncle Lord Tywin granted him the title of Guardian of the West, making him responsible for the defence of the Western Coast of the Seven Kingdoms. Daven Lannister arranged a political marriage for his sister Cerenna Lannister with Garreth Lanny of Lannisport, a minor house distantly related to House Lannister of Casterly Rock, being his vassal. His aunt Lady Margot Lannister is a member of a cadet branch of House Lannister. She is married to Lord Titus Peake, Lord of Starflint Deven sent her cousin Rosamund Lannister to the House Lannister of Lannisport as Princess Myrcella Baratheon's maid when she departed for Dorne she is chosen by Tyrion Lannister because of her resemblance to the princess

Ser Davy Lannis

@Cecilia Venier Baffo