Monarchy of the United Kingdom children, she was succeeded by the Scottish monarch James VI, who was the great-grandson of Henry VIII's older sister and hence Elizabeth's first cousin twice removed. James VI ruled in England as James I after what was known as the "Union of the Crowns". Although England and Scotland were in personal union under one monarch – James I became the first monarch to style himself "King of Great Britain" in 1604 – they remained two separate kingdoms. James I's successor, Charles I, experienced frequent conflicts with the English Parliament related to the issue of royal and parliamentary powers, especially the
Edward VI of England more remarkable achievements of Tudor administration". In the matter of religion, the regime of Northumberland followed the same policy as that of Somerset, supporting an increasingly vigorous programme of reform. Although Edward VI's practical influence on government was limited, his intense Protestantism made a reforming administration obligatory; his succession was managed by the reforming faction, who continued in power throughout his reign. The man Edward trusted most, Thomas Cranmer, Archbishop of Canterbury, introduced a series of religious reforms that revolutionised the English church from one that—while rejecting papal supremacy—remained essentially Catholic, to one that was institutionally Protestant. The confiscation of