This prince, Guidobaldo della Rovere, when he afterwards succeeded to the Duchy of Urbino, sent a really warm-hearted despatch to his "dearest Messer Michelangelo." He begins by saying that, though he still cherishes the strongest wish to see the monument of his uncle completed, he does not like to interrupt the fresco in the Sistine Chapel, upon which his Holiness has set his heart.

He thoroughly trusts in Michelangelo's loyalty, and is assured that his desire to finish the tomb, for the honour of his former patron's memory, is keen and sincere.

Therefore, he hopes that when the picture of the Last Judgment is terminated, the work will be resumed and carried to a prosperous conclusion.

In the meantime, let Buonarroti attend to his health, and not put everything again to peril by overstraining his energies.
Signer Gotti quotes a Papal brief, issued on the 18th of September 1537, in which the history of the Tomb of Julius up to date is set forth, and Michelangelo's obligations toward the princes of Urbino are recited.

It then proceeds to declare that Clement VII.