Vol. 3: A 1077 usque ad 1209

King Henry IV donates to Patriarch Sigehard and the Church of Aquileia the County of Friuli, the village Lucinico, and all the rights and properties that Count Ludwig had in the said county.

King Henry IV donates the County of Istria to the Patriarchate of Aquileia.

Aquileian Patriarch Henry pledges his oath of fealty to Pope Gregory VII.

Pope Gregory VII admonishes a noble knight Wezelin for attacking Dalmatia, ruled by a ruler approved by the Holy See, and orders him to immediately stop with the hostilities lest the "sword of St. Peter" be unleashed upon him and his followers.

Henry IV, King of the Romans, donates imperial rights over the Bishopric of Poreč, including the right to appoint and invest its bishops, to the Patriarchate of Aquileia and its patriarch Henry. 

Henry IV, King of the Romans, donates imperial rights over the Bishopric of Trieste, including the right to appoint and invest its bishops, to the Patriarchate of Aquileia and its patriarch Henry.

Henry IV, King of the Romans, explains the reasoning behind the donation of imperial rights over the Bishopric of Trieste to the Patriarchate of Aquileia and confirms the said donation.

Duke Henry Eppenstein renounces the advocacy over the Church of Aquileia in favor of his brother Ulrich, the incumbent patriarch of Aquileia, who invests the chapter of Aquileia with the rights of advocacy over their possessions and Burchard of Moosburg with the remaining rights of advocacy.

King Henry IV donates regalian rights over the Bishopric of Pula, namely the right to appoint and invest bishops, to the Patriarchate of Aquileia.

Henry IV, emperor of the Romans, donates the March of Carniola to the Patriarchate of Aquileia and its patriarch Ulrich I. 

Ulrich II donates Sočerga to the Church of Aquileia.

Ulrich II Weimar-Orlamünde and his wife Adelaide donate their possessions in the County of Istria to Patriarch Ulrich of Eppenstein and the Church of Aquileia.

Ulrich II donates Oprtalj to the Church of Aquileia.

Henry of Eppenstein, duke of Carinthia, donates his castle "in the place that is called Ruvoyn" to the Church of Aquileia.

Ulrich II of Weimar and Orlamünde dies heirless after having repudiated his wife Adelaide; his patrimony in Thuringia is claimed by Siegfried of Ballenstedt, the son of another Adelaide, the daughter of Otto I of Orlamünde, but Emperor Henry V refuses to acknowledge this hereditary right and confiscates the family patrimony as imperial possessions; a feud breaks out – the original House Weimar-Orlamünde, which included Ulrich I, the margrave of Carniola, Istria and Savinja, dies out in male line (a contemporary narrative account penned by Ekkehard of Aura).

Siegried and Heliza, the noble citizens of Poreč, donate their possessions, a church dedicated to St. Peter in Poreč with all its dependencies and an allod called Mount Petrosus, to St. Michael’s monastery in Pula.

Pope Alexander III assumes the chapter of Aquileia and its canons under his protection and confirms all their possessions and jurisdictions.

Pope Alexander III confirms the spiritual and secular jurisdictions of the bishops of Poreč.

Adalbert, the count of Istria, pronounces a sentence regarding the jurisdictions over the territories of Gradina (Calisedo) claimed by both the commune of Sv. Lovreč and the heirs of Adalburn, vassals of Gerold of Pula, the lord of Gradina.

Engelbert III, the count of Gorizia, solemnly promises to Peter, the bishop of Poreč, that both he and his vassals will faithfully serve and guard the rights and possessions of his Church.

Wolfger, the patriarch of Aquileia and margrave of Istria, confirms the boundaries of the territories under the jurisdictions of the bishops of Poreč. A Forgery drawn up by the chancery of Boniface, the bishop of Poreč (1282 - 1305).