Alpin mac Eochaid was a notable figure in early Scottish history, believed to have reigned as a king of the Scots in the 9th century. He is often associated with the establishment of the Kingdom of Dal Riata, which spanned parts of modern-day Scotland and Ireland. His lineage is significant, as he is considered an ancestor of later Scottish kings. Alpin's reign is marked by the unification of various tribes and the strengthening of Scottish identity. His legacy is intertwined with the rise of the House of Alpin, which played a crucial role in the formation of the Scottish monarchy.