Samson of Brechin is the first known Bishop of Brechin. He appears as a witness in a charter granted by King David I of Scotland to the community of Deer, recorded in the notitiae in the margins of the Book of Deer.
Samson of Brechin served as the initial bishop for Brechin. He signed a document given by King David I of Scotland to the Deer community, and this document is included in the margins of the Book of Deer.