In fact Jacques Margnat is born in a tub full of wine, a tub of wine of current consumption but which at that time was an excellent wine since one could associate wines of Algeria to wines of south of France. Six years of military service of which 30 months at war. He will gain at it the Cross of the world war II and as his brothers or his cousin Emile he will not look for glory as a result. All of them did their duty.

At the end of war, began then as for many the time of the reconstruction. This was done under the family name. In the same way as aperitifs as Byrrh, Cinzano or Picon. The tandem Lyon Marseille was quickly reconstituted. Marseille should quickly exceed Lyon. Bordeaux started by creating immediately an antenna of distribution in Toulouse. The family launched in 1947 an operation in west of France (Bretagne) starting from scratch but with the up to date facilities. In a way that from 1952 the line Brest Lyon cut France in two separate regions. The South was already the uncontested territory of the patronymic brand. The North was a no man's land for the family. All this was made possible, at the end of the war, by one only asset that was the quality of the family's signature inherited of the father, Edouard Margnat.  Strengthened by the pledge at leasfor a while of the estates in Algeria.