I found that both versions of Gaenor are to be found in Godsreach, at the same time. More info can be found here: http://www.uesp.net/wiki/Tribunal:The_Natural and here: http://www.uesp.net/wiki/Tribunal:Gaenor
In my case it started out with only one but when I activated his vengeance quest and he said he'd run away he just chilled while the Ebony clad one started pummeling me. Last time I checked he was still next to the temple a couple of feet away from his corpse.
Fixed scripts on both versoins of Gaenor, so they apper/disapper correctly
http://www.sendspace.com/file/jgozcx
merged in v055
#1
I have had this bug too. There are two Gaenors in Mournhold, one with rags and one with his Ebony battlesuit.