Duke of Rothesay King of Scots, first held the dukedom from its creation in 1398. After his death, his brother James, later King James I, received the dukedom. Thereafter, the heir-apparent to the Scottish Crown held the dukedom; an Act of the Scottish Parliament passed in 1469 confirmed this pattern of succession. The Earldom of Carrick existed as early as the twelfth century. In 1306, Robert the Bruce, Earl of Carrick, became King Robert I of Scotland, with the earldom merging in the Crown. In the following years, successive Kings of Scots created several heirs-apparent Earl of Carrick. The Act of 1469 finally
Pound Scots shillings 4 pence (two-thirds of a pound Scots). When James VI became King James I of England in 1603, the coinage was reformed to closely match that of England, with 12 pounds Scots equal to the pound sterling. No gold coinage was issued from 1638 to 1700, but new silver coinage was issued from 1664 to 1707. In 1707, the pound Scots was replaced by the pound sterling at a rate of 12 to 1 (1 pound Scots equal to 1s 8d sterling), although the pound Scots continued to be used in Scotland as a unit of account for most