King Otto IV holds an imperial diet in Augsburg where he deals, among many other things, with the fate of the condemned murderers of King Philip and the Margraviate of Istria (notices from contemporary narrative accounts, Otto of St. Blasien’s and Conrad of Scheyern’s chronicles).
Otto IV, King of the Romans, confirms the rights of the Patriarchate of Aquileia over the Duchy of Friuli, including the incomes from the administration of criminal justice, and all documented agreements made between Patriarch Peregrine I and Count Maynard I of Gorizia as well as Patriarch Ulrich II and Count Engelbert II of Gorizia regarding advocacy and other matters.
Otto announces to all the subjects of the Empire in Italy that he has appointed Patriarch Wolfger of Aquileia imperial legate for Lombardy, Tuscia, the Duchy of Spoleto and the Marches of Ancona and Romaniola, commanding them to receive him honorably and to recognize his decisions in imperial affairs.
King Otto IV invests Patriarch Wolfger with imperial regalian rights and attests that his successors do not need to journey to German lands to receive the regalian investiture because the patriarchs of Aquileia are one of the Italian ecclesiastical princes.
On the behest of Wolfger, the patriarch of Aquileia, and other princes gathered at the Diet of Augsburg, King Otto IV accepts the resignation of the Margraviate of Istria from Duke Ludwig of Bavaria and donates the same Margraviate to Patriarch Wolfger and the Church of Aquileia.
Henry of Andechs-Merania, the margrave of Istria, donates a property of his to the monastery of Saint Lawrence in Wilten (Innsbruck), for the salvation of his soul and the souls of his parents.
Otto IV, Emperor of the Holy Roman Empire, confirms the donation of the Margraviate of Istria to the Patriarchate of Aquileia.
Aquileian Patriarch and Istrian Margrave Wolfger confirms the temporal jurisdictions that the Church of Poreč enjoys by way of donations issued by previous patriarchs of Aquileia; 13th-century forgery.
Berthold V of Andechs, patriarch of Aquileia, promises to the envoys of Doge Pietro Ziani and the Commune of Venice the security of Venetians within the boundaries of his temporal dominion; assures the recompense in case a Venetian ends up being robbed within his territories; promises to inform the Venetians in case of hostilities planned against them by the Empire; and he commits himself to amend the agreement, if necessary, in accordance with the Venetian doge.
Berthold V of Andechs, patriarch of Aquileia, and Count Maynard II of Gorizia, his advocate, promise to Doge Pietro Ziani and to the Commune of Venice the safety of Venetians living and operating within the confines of the temporal dominion of the Aquileian Church; promise to reimburse any Venetian if they end up robbed in the Patriarchate; to inform the Venetians if they find out that the Empire is planning any hostilities against them; and define the competences of the vicedominus of Aquileia; Venetians are promised exemptions from customs duties throughout the secular dominion of the Aquileian patriarchs and privileged judicial status.
In the name of Berthold V, the patriarch of Aquileia, John of Portis swears to uphold the peace and the treaties signed between the Aquileian patriarchs and the Commune of Venice.
Answering the pleas of Aquileian Patriarch Berthold, Emperor Frederick II proclaims and ratifies the verdict of the imperial princes gathered at the Diet of Ravenna, confirming the secular rights and prerogatives of Aquileian patriarchs and forbidding the election of rectors and the exercise of regalian rights to the subjected urban communities, especially to the Istrian cities of Koper, Poreč, and Pula.
In the name of Patriarch-margrave Berthold V of Andechs, John de Riva, the general gastald in Istria, orders a Nicholas de Roço of Poreč and all his supporters to present themselves in front of the patriarch in Friuli and to respond to allegations raised against them by a Marino de Mengoso of Poreč and his supporters.
In the name of Patriarch-margrave Berthold V of Andechs, John de Riva, the general gastald in Istria, orders a Marino de Mengoso of Poreč and all his supporters to present themselves in front of the patriarch in Friuli and to respond to allegations raised against them by a Nicholas de Roço of Poreč of Poreč and his supporters.
Answering the pleas of Aquileian Patriarch Berthold V, Emperor Frederick II decrees that throughout Friuli and Istria criminal justice administration and everything else pertaining to corporal punishments and coercion (merum et mixtum imperium) resides exclusively with the patriarch of Aquileia, threatening to deprive of their fiefs anyone who would dare to administer criminal justice on patriarchal territories.
Emperor Frederick II confirms the treaty signed between Aquileian Patriarch Berthold V and the Commune of Koper.
Count Maynard III of Gorizia promulgates an arbitrational sentence in a dispute between Aquileian Patriarch Berthold V and the Commune of Koper regarding the elections of podestàs, the prerogatives of the appointed gastalds and the administration of criminal justice, fines above a hundred bezants and the patriarch’s right to emend the local statute.
The envoys of the Aquileian Patriarch Berthold negotiate a new peace treaty with Venice, ending all the conflicts regarding trade, traffic, salt production, dues and the restitution of movable and immovable properties, confirming and reinstating the old pacts signed between the two dominions.
On his way from German lands to Apulia, the new king of the Romans, Conrad IV, travels through Istria (narrative account from the anonymous continuator of Genoese Annals).
Roman king Conrad IV orders Berthold, the margrave of Vohburg-Hohenburg, to explain to the podestà of Koper, Andrea Zeno, and to the Capodistrians under his authority, how the Margraviate of Istria is an imperial land bestowed unto the late Aquileian Patriarch Berthold V of Andechs by the king’s father (Emperor Frederick II), but now, with the patriarch’s death, the Empire can again freely dispose with the Margraviate and therefore, the citizens of Koper should not swear any fealty to the newly elected Aquileian Patriarch Gregory of Montelongo, but persevere in their allegiance to the Empire.
Roman King Conrad IV accords privileges of the free elections of podestàs to the Commune of Koper, as long as they are elected from among those faithful to the Empire.
Roman King Conrad IV issued a privilege to the Commune of Poreč, granting it the right of free election of their podestas, recognizing the city’s regalian rights and the jurisdictions over its district, allowing the imperial notaries to freely exercise their trade in the city and its district, granting it the right to retain the incomes from tolls levied on commercial goods entering the city by land, and giving it the permission to lawfully and securely trade with the Kingdom of Sicily.
Count Maynard III of Gorizia, the advocate of the Church of Aquileia, designates Ranieri Geno, the doge of Venice, as his official arbitrator in all the disputes he and his subjects have had with the Commune of Venice and the Venetian subjects.
Gregory of Montelongo, patriarch-elect of Aquileia, signs a treaty with Doge Ranieri Zeno and the Commune of Venice, renewing the old pacts signed between his predecessors and the Venetians, guaranteeing the safety of Venetian merchants throughout the Patriarchate, their privileged judicial status, abolishing all the newly instituted fees, and terminating the disputes between the two dominions.