Sorry, Marc, but everything I have read agrees with Mark. When you look at
the early sources, rather than the medieval, Lance is nowhere to be found.
The language hunt from Lugh (Lleu) to Lancelot is an interesting theory, and
since I have no ability in this area I can't comment. But it would be
possible to interlink many "Arthurian" figures with some myth/god or another
of the Celts because of their traits.
Do we have any Dark Age scholars on the list who can straighten us out on