`  == Gavin / Gwalchgwn ==  I wonder if you could help with a question posed to me on the German Wikipedia. The article Gavin mentiones that the name stems from the Welsh Gwalchgwn but gives no source. The statement has never been challenged since an IP converted the article from a redirect back in 2007. That information now has spread around the internet in various languages due to the zillion mirrorsites that exist. Do you know of a realiable source for that information, or maybe know someone who could find out? My friends in Pembrokeshire are not really a help due to the ``little England`` issue.   `