https://en.wikipedia.org/wiki/D%C3%A1l_Riata
Edit: The "Scots" are supposed to have conquered the Picts in the mid 9th century leading to what would eventually become Scotland.
https://en.wikipedia.org/wiki/D%C3%A1l_Riata
Edit: The "Scots" are supposed to have conquered the Picts in the mid 9th century leading to what would eventually become Scotland.