Thandduis was born among the common folk, with no house or name in the chronicles, and entered House Thuinmo by marrying Ruesrengen. He was forgiving, humble and rash, with a gift for keeping the accounts. He gave House Thuinmo its name, and its motto: “One table, one roof”. He lived under the rule of Sauchia, Salziark and Mendbrark. He knew hunger in Stianess. When he died, House Thuinmo counted one other member. He died of hunger in the winter of year 210, at the age of 48. The house he founded would go out in the spring of year 211.