thumb|right|upright|Clach an Tiompain, a Pictish symbol stone in Strathpeffer In the centuries after the departure of the Romans from Britain, there were four groups within the borders of what is now Scotland. In the east were the Picts, with kingdoms between the river Forth and Shetland. In the late 6th century the dominant force was the Kingdom of Fortriu, whose lands were centred on Strathearn and Menteith and who raided along the eastern coast into modern England. In the west were the Gaelic (Goidelic)-speaking people of Dál Riata with their royal fortress at Dunadd in Argyll, with close links with the island of Ireland, from whom comes the name Scots.. In the south was the British (Brythonic) Kingdom of Strathclyde, descendants of the peoples of the Roman-influenced kingdoms of "Hen Ogledd" (Old north), often named Alt Clut, the Brythonic name for their capital at Dumbarton Rock. Finally, there were the English or "Angles", Germanic invaders who had overrun much of southern Britain and held the Kingdom of Bernicia, in the south-east. in . The first English king in the historical record is Ida, who is said to have obtained the throne and the kingdom about 547.. Ida's grandson, Æthelfrith, united his kingdom with Deira to the south to form Northumbria around the year 604. There were changes of dynasty, and the kingdom was divided, but it was re-united under Æthelfrith's son Oswald (r. 634–642)..
thumb|right|upright|Clach an Tiompain, a Pictish symbol stone in Strathpeffer In the centuries after the departure of the Romans from Britain, there were four groups within the borders of what is now Scotland. In the east were the Picts, with kingdoms between the riv,er Forth and Shetland. In the late 6th century the dominant force was the Kingdom of Fortriu, whose lands were centred on Strathearn and Menteith and who raided along the eastern coast into modern England. In the west were the Gaelic (Goidelic)-speaking people of Dál Riata with their royal fortress at Dunadd in Argyll, with close links with the island of Ireland, from whom comes the name Scots.. In the south was the British (Brythonic) Kingdom of Strathclyde, descendants of the peoples of the Roman-influenced kingdoms of "Hen Ogledd" (Old north), often named Alt Clut, the Brythonic name for their capital at Dumbarton Rock. Finally, there were the English or "Angles", Germanic invaders who had overrun much of southern Britain and held the Kingdom of Bernicia, in the south-east. in . The first English king in the historical record is Ida who is said to have obtained the throne and the kingdom about 547.. Ida's grandson, Æthelfrith, united his kingdom with Deira to the south to form Northumbria around the year 604. There were changes of dynasty, and the kingdom was divided, but it was re-united under Æthelfrith's son Oswald (r. 634–642)..