Before revision: Prince regent in the United Kingdom In the English language the title Prince Regent is most commonly associated with George IV, who held the style HRH The Prince Regent during the Regency era , the incapacity , by dint of mental illness , of his father, George III (see Regent for other regents).
After revision: Prince regent in the United Kingdom In the English language the title Prince Regent is most commonly associated with George IV, who held the style His Royal Highness The Prince Regent during the Regency era due to the incapacity ( by dint of mental illness ) of his father, George III (see Regent for other regents).