CharacterCassana EstermontFemaled. In 278 AC, at Shipbreaker Bay, near Storm's EndAppears inA Clash of Kings, A Storm of Swords, A Dance with DragonsRelationshipsHouse House Baratheon of Storm's End, House Estermont of GreenstoneChildren Renly Baratheon, Robert I Baratheon, Stannis BaratheonSpouse Steffon Baratheon