Segui was born among the common folk, with no house or name in the chronicles, and entered House Sianchaus by marrying Skangaund. He was forgiving, proud and rash, with a gift for dealing with people. He had a daughter: Charkgalta. From year 139 he was at the head of Zailira until his death. He decided to raise houses. He lived under the rule of Mondrais, Manra, Densond, Mosskos and Tuindtuend. He knew hunger in Zailira. When he died, House Sianchaus counted 3 other members. He died of old age in the summer of year 140, at the age of 64. He was survived by Charkgalta. He lived to have a grandchild.