 They occur only in the Tribal Hidage, an early eighth-century catalogue of kingdoms and principalities produced in Mercia for the purposes of tax or tribute.Little is known about them, not even precisely where they were.Their position in the Tribal Hidage list suggests a location on the western fringe of the Mercian heartland and it is possible that they were associated with the Magonsaetan, who occupied the lands around Leominster and Hereford.