Gerard Jacumins father Pierre run until 1989 a domaine called Cuvée de Boisdauphin. When he retired his son Gerard and his son in law Marc Cellier created a firm together Domaine Saint Benoit. This domaine excitet until 2007, when the Cellier family creates Domaine des 3 Celliers and Gerard created Domaine l'Or de Line named after his daghter Laureline.

L'Or de Line covers 9 ha. by which 1,6 ha is with white varieties. 
The wines are made in the old cellars of Pierre Jacumin which were also used to make wines from Saint Benoit situated at Route du Sorgues.
Since 2012 the vineyards are certified agriculture biologique. 

Wines

Chateauneuf du Pape l'Or de Line
2016: Grenache, Mourvedre, Syrah and a small amount of Clarette Rose
50% aged for 12 months in barriques.

Chateauneuf du Pape Cuvée Paule Courtil
2016: 70% Grenache, plantet i 1933 and 30% of other allowed varieties. (0,75 ha) Aged for 12 months in barriques.

Chateauneuf du Pape Blanc
2017: Grenache Blanc, Clairette, Picpuol, Roussanne, Bourboulenc and Picardin.

IGP Vaucluse Rosé
2017: Syrah. From a parcel just outside Chateauneuf du Pape appellationen.

Gérard Jacumin continues the tradition from Saint Benoit marketing wines made by other winegrowers. This activity is named  "Osmose Vins". This negociant business is covering wines from several appellations in southern Rhone.