The Guardians of Scotland were regents who governed the Kingdom of Scotland from 1286 until 1292 and from 1296 until 1306. During the many years of minority in Scotland's subsequent history, there were many guardians of Scotland and the post was a significant constitutional feature in the course of development for politics in the country.

William de Lamberton, sometimes modernized as William Lamberton, was Bishop of St Andrews from 1297 until his death. Lamberton is renowned for his influential role during the Scottish Wars of Independence. He campaigned for the national cause under William Wallace and later Robert the Bruce. As Bishop of St Andrews, the most powerful seat in Scotland, Bishop Lamberton along with Bishop Robert Wishart of Glasgow conducted the coronation of Robert the Bruce as King Robert I. Lamberton would go on to have a vital role in the formulation of the Declaration of the Clergy 1310 and the Declaration of Arbroath which would lead to Scottish Independence.