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
Scots language mainly for geographical and cultural features, such as "ceilidh", "loch" and "clan". From the thirteenth century, the Early Scots language spread further into Scotland via the burghs, which were proto-urban institutions first established by King David I. In the fourteenth century Scotland, the growth in prestige of Early Scots and the complementary decline of French, made Scots the prestige dialect of most of eastern Scotland. By the sixteenth century Middle Scots had established orthographic and literary norms largely independent of those developing in England. From 1610 to the 1690s during the Plantation of Ulster some 200,000 Scots-speaking Lowlanders settled in