The Chudes as mentioned in Old East Slavic chronicles are in early context usually considered as Baltic Finns in north-western Rus or even as all non-Slavic people in north-eastern Europe, but since 11th century mainly as Estonians.[16] According to Primary Chronicle the Chudes where one of the founders of the Rus' state in 9th century.[17] According to Nestor Yaroslav I the Wise invaded the country of the Chuds in 1030 and laid the foundations of Yuriev, (the historical Russian name of Tartu, Estonia).[16]