Eric Solomon, the importer of the wine, explains that "this project is the brainchild of Jean-Luc Thunevin and Jean-Roger Calvet and is limited to only a few hectares of old vines planted on black schist. Jean-Luc Thunevin made his first mark on the wine world with (what is now) the cult wine Chateau Valandraud in Bordeaux. Valandraud is recognized as one of the first "garage" wines of Bordeaux. In 2001, he teamed up with Jean-Roger Calvet, a local winemaker who was doing great work with Carignan and Grenache, to produce their first vintage."
Constance is named after Jean-Roger Calvet's daughter.