He left no son, but the marquessate was again revived in 1825, for his nephew the 14th earl, whose heir is the present marquess.
The marquessate of Mantua was made a duchy; and Florence was secured, as we have seen, to the Medici.
This house, whose two branches hold each a marquessate, had a great statesman and administrator to establish and enrich it.
On the 13th of October following the patent of this marquessate was recalled, Robert de Vere then having been raised to a dukedom.
The marquessate of Huntly passed to his cousin and heir-male, George, 5th earl of Aboyne.