Until late 2021 the brothers Pascal and Joel Diffonty run the domaine as fourth generation. Guilliaume Diffonty (b. 1998)
is now co-gérant together with Pascal. He has also constructed
another copagny in 2019, Domaine du Concile nearby.
(Probably a son of Joêl)
The property covers 53 hectares and is one of the "big" properties in the town. It's situated on a hillside in lieu-dit Terres Blanches to the north of the town. 
You can buy several vintages at the shop of the estate.

Chateauneuf du Pape
85 % Grenache, 10 % Mourvèdre, 5 % Syrah. 
2/3 aged in foudres for at least 2 years.

Chateauneuf du Pape Blanc
70% Grenache Blanc, 20% Clairette and 10% Roussane.
Fermentation in cement tank and maturing for a few months in fiberglass tanks.

Cotes du Rhone