Court of Chancery of the County Palatine of Lancaster
The Court of Chancery of the County Palatine of Lancaster was a court of chancery that exercised jurisdiction within the County Palatine of Lancaster until it was merged with the High Court and abolished in 1972. == Constitution == By a charter of Edward III dated the 6 March 1351, there was granted for life to Henry, Duke of Lancaster (inter alia), a court of chancery, a chancellor, and such other jura regalia in the county of Lancaster as pertained to a count palatine.
Source: Wikipedia — Court of Chancery of the County Palatine of Lancaster (CC BY-SA 4.0)