This feudal arrangement, which was later proved to have no legal basis, continued until 1835 when the Municipal Corporations Act became law.
Parhaodd y trefniant ffiwdal hwn, y profwyd yn ddiweddarach nad oedd iddo unrhyw sail gyfreithiol, tan 1835 pan ddaeth y Ddeddf Corfforaethau Dinesig i rym.