The Marquess of the Treasury of the Most Preferable Earldom of the Island of Rockall (Rockallian:An Ardailigh na Shtáidchíste na nFhéarrach Iarlateachd nan Oilín Ruicheall, Fernolian: An Marcis na Stádtchiste nIrliticht Fírric nEoil Rúichill, Astrallic: An Airdilighd nan dTriosuairléise nan Iorlteachd Feaoinnic nan Oileun Rucall), officially titled The Most Honourable the Marquess of the Treasury and Economic Affairs in the Service of the Earl of the Most Preferable Earldom of the Island of Rockall is the finance minister of the nation of Rockall in the Seafaring Confederation. The Marquess is the leader of the Marquessate of the Treasury.