It had the same powers in civil law as the King's Bench in England, (it also had equity jurisdiction) and its criminal jurisdiction was equivalent to the English county assizes.
[2] Monmouthshire was added to the Oxford circuit of the English Assizes.
Of the 217 judges who sat on its benches in its 288 years of existence, only 30 were Welshmen and it is likely only a handful of the latter members of the higher gentry additionally spoke the native Welsh, in continued exclusion of the native culture and population.
[3] According to historian John Davies, the continued treatment of Monmouthshire in this arrangement was the cause of the "notion" that "the county had been annexed by England" and attempted to be treated as though no longer part of Wales by the English.
[4] The National Library of Wales holds the surviving historical records of the Court of Great Sessions.