Berthold, Patriarch of Aquileia, and Count Maynard III of Gorizia form a mutual alliance against the citizens of Koper, agreeing not to make separate peace settlements until both receive satisfaction for injuries committed against them.
Wilhelm of Fontanabona sells Count Maynard III of Gorizia all his serfs throughout Istria, from San Giovanni di Duino southwards, for 1200 pounds of Veronese pennies. The Count promises to repay the debt in two installments: 600 pounds to be paid on the following feast of St. Peter and 600 on the following Christmas Day.
Settlement of dispute between the Patriarch Bertold V and Count Maynard III of Gorizia by way of the arbitrational sentence promulgated by arbiters Bernard of Strassold and Clizo of Mels. Among other things, the Gorizian is forced to relinquish everything he had usurped in Istria.
The Commune of Novigrad elects Biaquin of Momjan and his heirs as their perpetual podestà, with the community promising to maintain this arrangement under penalty of one thousand marks of good silver and pledging all communal goods as security.
At the request of Bishop Bonacursius of Novigrad and the canons, Biaquin of Momjan, perpetual podestà of Novigrad, renounces all rights to the city’s rectorship, pledges, and charters he had obtained from the citizens, promising that neither he nor his heirs would ever claim such rights again under penalty of one thousand marks of silver to the commune.
Having petitioned and received the right to elect their own podestà for a year, the envoys of the Commune of Poreč elect Biaquino of Momjan as their podestà, and Albert, the deputy of Patriarch-Margrave Gregory of Montelongo, approves the election.
Having petitioned and received the right to elect their own podestà for a year from the Aquileian Patriarch and Istrian Margrave Gregory of Montelongo, the envoys of the Commune of Motovun elect Biaquino of Momjan as their podestà, and Patriarch-Margrave Gregory of Montelongo approves the election.
Patriarch Gregory of Montelongo and counts Maynard IV and Albert I of Gorizia sign a peace treaty, ending all hostilities, addressing a number of unresolved issues, and promising each other mutual aid.
Monfiorito of Pula pledges loyalty to the Aquileian Patriarch Gregory of Montelongo, promising to uphold the rights and honor of his Church, to reimburse all goods received from the patriarch and his people, to immediately and unconditionally withdraw from Motovun, and to appoint suitable sureties for the fulfillment of these commitments in form of sworn guarantors. This oath is subsequently reaffirmed in Muggia as Monfiorito, along with the representatives of the Commune of Pula, provides thirty-one persons as his sworn guarantors.
Aquileian Patriarch and Margrave of Istria and Carniola Gregory of Montelongo invests Henry of Pazin and his heirs, represented by Cono of Momjan, with several fiefs which included Lupoglav and the adjacent village Gorenja Vas in Istria.
Gregory of Montelongo, the patriarch of Aquileia, and Albert I, Count of Gorizia (acting also for his brother Maynard IV), enter into a mutual defense pact with specific terms regarding military assistance to quell the rebellion in Motovun, division of spoils, and dispute resolution, secured by the exchange of castles held in custody by the lords of Momjan.
Aquileian Patriarch Gregory of Montelongo and Count Albert I of Gorizia form an alliance against the Commune of Koper, with the count pledging military assistance and the patriarch promising equal division of seized goods and prisoners should the city be taken, while maintaining jurisdiction over the city itself and agreeing not to make peace without the count’s consent.
Aquileian Patriarch Gregory of Montelongo and Count Albert I of Gorizia agree to support each other militarily against the Commune of Koper should either party be attacked, with the patriarch first attempting diplomatic resolution through letters or messengers before military action in case of Koper’s attack on the Gorizian count.
A peace treaty is reached between Aquileian Patriarch Raymond della Torre and his advocate Albert, Count of Gorizia, together with his allies which included the Commune of Koper and Piran.
Arbitral award pronounced by Count Maynard II of Tirol and Gherardo III of Camino regarding a number of contentious issues between the Aquileian Patriarch Raymond della Torre and Count Albert I of Gorizia.
Hugh II of Duino appoints Dietrich of Momjan as his representative to inform the brothers of House Pula that he consents to the delivery of the sentence promulgated by Duke Ulrich III Spanheim of Carinthia, previously deposited with him and the late Monfiorito of Pula by Patriarch Raymond and Count Albert I of Gorizia, to whichever messenger the patriarch might send for this purpose.
Venice signs a peace treaty with the patriarch of Aquileia, Count Albert I of Gorizia, and the Commune of Trieste, ending their final conflict and restoring amicable relations as defined by their previous pacts; Venice retains the jurisdictions over the subjected communities in Istria with the exception of Muggia, Buje, and Dvigrad; the settlement of the dispute over the jurisdictions in Istria between Venice and the Patriarchate of Aquileia is entrusted to Pope Nicholas IV.
Graziadeo, the bishop of Poreč, invests Henry of Pazin, the son of late Maynard of Pazin, with all the fiefs he and his heirs enjoyed from the Bishopric of Poreč, except those which Henry bought from Biaquin II of Momjan.
The doge and the Commune of Venice sign a peace treaty with Count Albert III of Gorizia, imposing upon the Gorizian, the defeated party in the conflict, a series of obligations, restrictions, and renunciations aimed at securing the Venetian supremacy in Istria.