Proxsumes Little to nothing is known about these Celtic gods. Two altars have survived from Vaison-la-Romaine in Provence. Altar to the Proxsumes, 1st c. AD, from Vaison-la-Romaine. Avignon Lapidary Museum. Altar to the Proxsumes from Vaison-la-Romaine. Theo Desplans Museum. Back to Celtic Gods Share this:TweetLike this:Like Loading...