Another reveals that the cross was erected by Cyngen in memory of his great-grandfather Eliseg, who was said to have expelled the Anglo-Saxon English from this part of Wales.
Mae un arall yn datgelu bod y groes wedi’i chodi gan Cyngen er cof am ei hen dad-cu Eliseg, y dywedwyd ei fod wedi gyrru’r Saeson Eingl-Sacsonaidd allan o’r rhan hon o Gymru.