Thailchais was born among the common folk, with no house or name in the chronicles, and entered House Miandthe by marrying Labraimuin. She was generous, rash and vengeful, with a gift for the old lore. In the summer of year 131 she married Lleso, and was widowed in the autumn of year 134. She had a daughter: Sauchia, who would come to rule. From year 131 she was at the head of Stianess until her death. She gave House Miandthe its name, and its motto: “One table, one roof”. She decided to raise houses (4 times) and to hold a feast (2 times). She lived under the rule of Daunmend, Mondrais, Manra, Densond, Mosskos and Tuindtuend. She knew hunger in Stianess. When she died, House Miandthe counted 3 other members. She died of old age in the winter of year 134, at the age of 64. She was survived by Sauchia. She lived to have a grandchild. A ruler came of her blood: Sauchia. The house she founded would go out in the winter of year 184.