Observations on the Dead Emperor Collected from Annals and Laws

...stand in our mercy—but if it should be that we should pass away from death in the aforementioned 4 years, which God forbid, then this same mercy shall stand with our eldest son, etc. But how the war undertaken for the sake of vengeance was composed is not sufficiently certain. See Meibom, Dissertatio de Friderici Ducis Brunsvicensis et Luneburgensis in Imperatorem electione et misera caede Dissertation on the Election of Frederick, Duke of Brunswick and Lüneburg, as Emperor and His Miserable Killing, Vol. III, Scriptores Writers, p. 420 et seq. Some Emperors died not without suspicion of poison; but either the reliability of the annals is lacking, or the objection of the crime was refuted, although the poisoned cup presented to Henry VII does not yet seem to be clearly cleared by the testimony of John, King of Bohemia.

§. V.

Ancient exposition of the Emperor,

The body of the Emperor, arranged rightly and decently, is exposed to the eyes of all. Among the Romans, not even the poor were judged unworthy of the honor of exposition. Gutherius, Book I, ch. 16. With what splendor Emperors were placed in the sight of all, we learn from the example of Constantine the Great, related by Eusebius in his Life, Book IV, ch. 66: The soldiers, having taken up the body, laid it in a golden sarcophagus. They covered this with a purple shroud and carried it to the city named after the Emperor. Then, in the most prominent of all the imperial palaces, they laid it upon high pedestals. And having lit lights in a circle upon golden stands, they provided a sight wonderful to those who saw it, such as had never been seen on earth under the rays of the sun since the first foundation of the age. For inside the palace itself, in the very middle of the royal apartments, the Emperor's body lay upon a high golden sarcophagus, honored with royal ornaments, purple, and diadem,