Then Stphanes grandfather planted vines at the land of Beaumes de Venise Stphanes father increased the estate by buying vineyards in Ventoux and Vacqueyras Stphane established the name of the estate and left the cooperative to make wine in his own cellar

Could you correct the punctuation please?
Then Stephane's grandfather planted vines at the land of Beaumes de Venise. Stephane's father increased the estate by buying vineyards in Ventoux and Vacqueyras. Stephane established the name of the estate and left the cooperative to make wine in his own cellar.