Siathska was born among the common folk and entered House Guerkdau. He was easily content, forgiving and rash, with a gift for keeping the accounts. He gave House Guerkdau its name, and its motto: “What is one's is all's”. He lived under the rule of Manra. He knew hunger in Stianess. He died of hunger in the winter of year 85, at the age of 7. With his death House Guerkdau went out.