and Viviers.

Boso was an unsuccessful ruler and by 882 king Carloman of West Francia reintegrated much of the Lower Burgundy into the West Frankish realm, forcing Boso to retreat into his remaining Provencal domains. When king Carloman died in 884, emperor Charles the Fat expanded his rule over the in the entire West Frankish realm, which included much of the Lower Burgundy. In january 887, Boso died in Provence, and his claims were inherited by his son