Would it be possible to cite a reference supporting your interpretation of the name Llantwit Fardre? The word Faerdref in Welsh clearly means 'stewards house' and it seems like a bit of a stretch to get your interpretation from that. You state that 'it is believed' - but by whom? What was the source of this interpretation? It seems like a citation is in order, so that there can be a higher level of confidence that this is not merely a personal opinion.