Many thanks for that. Its from an Instruments of Reversion regarding
https://en.wikipedia.org/wiki/William_Stewart_of_Caverston Caberston (Caverstoun), is now a part of Walkerburn. I would assume my document would have come after 1568.
'cudbert drawar' is a new name to me, never come across the surname before.
In 1620 a John Bruntoun got a 5 year tack at Presthop (Priesthope) about a half mile away from Caberston. In 1650 my John was born at Caberston (son of Robert Bruntoun who had the tack of Seithope, prior to that at Nether Ludgate up at Stow. I can speculate Robert had brothers James, Thomas and more than likely John - although with John I can find no written connection).
The Instruments of Reversion is mainly to do with William Bruntoun. I know there was a Richard Bruntoun living at Grieston at this time, who had a son, John, who had 5 sons (Thomas, Richard, John, James and Alexander).
What popped out to me was the John Bruntoun mentioned in this document as it goes on "John Bruntoun ** ** ** John Atheston ? Notarie Peebles.