 His daughter was married to Visvaldis, Duke of Jersika (in the present-day Līvāni municipality).This marriage protected Visvaldis from attacks of Lithuanians, but he had to provide food and shelter for the troops of Daugirutis on their expeditions to plunder the Estonian or Russian lands.In 1213, Daugirutis traveled to Velikiy Novgorod to sign a peace treaty with Mstislav.