regalian

[…]the Biſhoprick of Halberſtadt, with all its Rights, Privileges, Regalian Rights, Territories, and Goods Eccleſiaſtical and Secular, by whatever name they are call’d, without any exception, ſhall be yielded in perpetual and immediate Fief of the Empire by the Emperor, with Conſent of the States of the Empire, and eſpecially of thoſe concern’d, after the Peace ſhall be concluded and ratify’d betwixt the two Crowns and the States of the Empire, to the ſaid Elector and his Male Succeſſors, Heirs and Couſins of the Father’s ſide:[…]

1732, A General Collection of Treatys, Manifesto’s, Contracts of Marriage, Renunciations, and Other Publick Papers, from the Year 1495, to the Year 1712, 2nd edition, volume II, London: […] J. J. and P. Knapton, […], page 425