It comprised the ancient parishes of The hundred was originally part of the Cantref Coch, an ancient Welsh land division (cantrefi) but became known as Blideslow and Blideslau in English.
Once a tithing of the parish of Awre and now a hamlet north of Lydney on the A48 road, where the hundred met.
The second element clearly derives from the Old English "-hlǣw" meaning tumulus, burial mound or barrow.
[4] At the time of the Domesday Book the hundred included Awre manor, Bledisloe, Etloe, Purton and Nass.
Alvington (previously a detached part of Herefordshire) and Lydney joined the hundred by 1221.