Kenneth I Macalpin, King of Scots united the Picts and Dalriada. He was also known as Cinead I Mac Alpin and Ceneath III, King of the Picts. He was King of Scotland from 843-858, he also ruled in Dalriada 841-859, and eleceted King of the Picts in 844. Kenneth I formed a kingdom in central Scotland. Eventually, this kingdom expanded to include Stratclyde and Lothian which were originally part of orthumbria. This Celtic monarchy lasted until Macbeth's reign ended in 1057, and Malcolm III who had been educated in England and had an English wife came to the throne.
"Macalpin" were married in a religious ceremony about 0830 in Iona, Argyllshire, Scotland. He had a biological son and a biological daughter, named Constantine and Mary.