David Willien, Earl of Erroll, b. 2 Aug. 1981 having previously matriculated Arms in the Court of the Lord Lyon King of Arms, with all the additaments appropriate to him as the Baron of Tulloch in the Baronage of Scotland. Dr Willien is now the Earl of Erroll whose interest is registered in the Scottish Barony Register on 22 December 2021 (Volume 5 Folio 66). Dr Willien is a member of the Convention of the Baronage of Scotland and has an entry in Burke’s Peerage as a Scots Feudal Earl and Baron.