 Complete the following phrase:  He is mentioned by Fredegar in his Latin chronicle as dux gente Surbiorum que ex genere Sclavinorum: ruler of the people of the Surbi Sorb autonym: Serbja, Serb autonym: Srbi from the nation of the Sclavenians. He is the first ruler of the tribe mentioned by name. Fredegar records him being subordinate to the Franks for a long time and then joining the Slavic union of Samo. After the defeat of the Frankish king Dagobert I by king Samo near 