Mosthau was born among the common folk, with no house or name in the chronicles, and entered House Rausthon by marrying Skuelgaun. She was bold, forgiving and humble, with a gift for leading others. In year 278 she was briefly at the head of Llodun. From year 278 she was ruler of the Methllerk until her death. She decided to raise houses. She lived under the rule of Duirklath, Gaundllond, Sandresgo, Dada and Sausra. She saw Llodun founded. She knew hunger in Llodun. She befriended Laindza. When she died, House Rausthon counted 2 other members. She died of hunger in the winter of year 278, at the age of 43. Skuelgaun succeeded her.