Ruesrengen was born among the common folk, with no house or name in the chronicles, and entered House Thuinmo by marrying Thandduis. She was forgiving, patient and proud, with a gift for dealing with people. From year 210 she was at the head of Stianess until her death. She lived under the rule of Sauchia, Salziark and Mendbrark. She knew hunger in Stianess. She died of hunger in the spring of year 211, at the age of 48. With her death House Thuinmo went out.