Drithrashtra had a son with a vaishya woman called sugandha .He was of the same age as Duryodhan and the only one to have survived the war . Yuyutsu fought the war from pandavas side .Yuyutsu was considered to be a moral and righteous warrior of that time .
In spite of being born in morally corrupt surroundings he did not leave the path of righteousness .He helped pandavas by giving them critical information of Kaurvas planning of the war . After the war he became king of Indraprasth.
