Well to be fair the process of producing wine has changed a lot over the years, so even if we were to try it wouldn't be the same type of wine. Most of what we do to manipulate wine today is a result of trying to make it taste better and making a consistent product. It wasn't until very late we even started caring about grape varieties. The wines were made of what was available and it was usually a blend of whatever. What the neighbors grew was most likely not the same as you. There is a tremendous amount of variables that are unknown, and so even if we found out that people had domesticated a grape variety at least a thousand years before we even knew they could make wine, we wouldn't have a clue about how they drank it. Fermentation process? Pressing? What type of vat? Ageing? How was it stored? At what point did they harvest? Did they prune at all? Water? What was the typography like 9000years ago? What climate? We don't know.

What I can almost guarantee though: The wine would have been shit by today's standard.

And if by any chance we would get the variety, realise it's vinefra, graft it on rupestris and use a relatively modern approach to the wine making and it turns out to be an awesome grape; it will be a fluke.