The events in Tales of Dunk and Egg occur 90 years before the events of War of the Five Kings .
They relate the adventures of `` Dunk '' ( the future commander of the Kingsguard , Ser Duncan the Tall ) and `` Egg '' ( the future king Aegon V Targaryen ) , some 90 years before the events of the War of the Five Kings .
Tales of Dunk and Egg