Observations on the Dead Emperor Collected from Annals and Laws

...His brother Ekbert, Bishop of Bamberg, also deemed guilty of regicide, was indeed deposed by Pope Innocent III, but not long after, through the intercession, it seems, of King Andrew of Hungary, he was restored. Conrad of Ursperg, p. 310; Alberic for the year 1208; Innocent III, Vol. II, Epistolae Letters, Book XV, no. 225. Later, Henry Caletinus killed the proscribed Otto and threw his severed head into the Danube. Arnold of Lübeck, ch. 1.

Of Adolph;

When Emperor Adolph was killed, Albert indeed succeeded to the kingdom; but Pope Boniface for a time refused to approve him, as he believed him to be guilty of maiestas treason. Albert of Strasbourg for the year 1298. What of the fact that certain princes labored to depose Albert? Thus the Annales Hainrici Rebdorff Annals of Henry of Rebdorf for the year 1300: In the following year, around the feast of St. Michael, Lord Rudolph and the aforementioned Count Palatine were called to the Rhine by the electors of the Empire, the Archbishops of Mainz, Cologne, and Trier, against the aforementioned King Albert, for those same princes had conspired against Albert himself, electing Rudolph as judge and claiming that it pertains to the Count Palatine, according to a certain custom, to inquire into cases which were brought against the King himself. Wherefore they proposed against the King that he had killed his own lord, namely King Adolph, and for that reason he could not be king, and they were planning for his deposition, etc. Others have already noted that all the primary enemies of Adolph perished miserably.

Of Albert I,

A feral sentence was likewise passed in the diets, specifically at Speyer in the year 1309, by Henry VII against the killers of Emperor Albert I. Brower, Book XVII, Annales Trevirenses Annals of Trier §. 15, p. 189. Gundling in Historia Imperii Henrici VII History of the Empire of Henry VII, Part VI §. 1. The greatest severity of punishments was poured out upon Rudolph of Wart and his servant Rufaffingen; for the latter was crushed and placed upon the wheel; the former, indeed, bound to the tail of a horse and dragged to the place of execution, having had his back and limbs broken, was bent over the wheel.