 It is thus possible that a line of Anglian sub-kings ruled at Carlisle, from this time on, at least, on the strength of legal title and not just conquest.In 670, Oswiu's son—but not by Riemmelth—Ecgfrith ascended the throne of Northumbria and it was possibly in that year that the Bewcastle Cross was erected, bearing English runes, which shows that they were certainly present in the area.