Guy and Sibylla were married in 1180; and Guy thus became heir presumptive of the kingdom, if the young Baldwin V., Sibylla's son by her first marriage to William of Montferrat, should die without issue.
Difficulties, however, had arisen with Conrad of Montferrat; and when Guy lost his wife Sibylla in 1190, and Conrad married Isabella, her sister, now heiress of the kingdom, these difficulties culminated in Conrad's laying claim to the crown.
It was only the habit of interurban jealousy which prevented the communes from at once combining to resist demands which threatened their liberty of action, and would leave them passive at the pleasure of a foreign master The diet was opened at Roncaglia near Piacenza, where Fredericli listened to the complaints of Como and Lodi against Milan, of Pavia against Tortona and of the marquis of Montferrat against Asti and Chieri.
Novara, Vercelli, Asti and Tortona swelled its ranks; only Pavia and Montferrat remained imperialist between.
Charles Emmanuel now attempted the acquisition of Montferrat, which was soon to become vacant by the death of Francesco Gonzaga, who held it together with Mantua.
When the male line of the Gonzaga family expired in i62~, Charles, duke of Nevers, claimed Mantua and Montferrat in right of his wife, the only daughter of the last duke.
Montferrat and Alessandria were added to his northern provinces, and his state was recognized as independent.
Later, he was lecturer at Annecy and Casal-Montferrat, and became head of the education department under Mamiani in 1860.
COUNT OF MONTFERRAT, a title derived from a territory south of the Po and east of Turin, and held by a family who were in the 12th century one of the most considerable in Lombardy.
In 1147 a count of Montferrat took part in the Second Crusade; but the connexion with the Holy Land begins to be intimate in 1176.
This was Bonif ace of Montferrat, the younger brother of Conrad, who was chosen leader of the Fourth Crusade in 1201, on the death of Theobald of Champagne.
In 1222 Demetrius lost his kingdom to Theodore Angelus, and the house of Montferrat its connexion with the East.
Di Monferrato (Turin, 1885); Ilgen, Markgraf Konrad von Montferrat (1880); and also the works of Cerrato (Turin, 1884) and Desimoni (Genoa, 1886).
In the partition of the Greek empire after the capture of Constantinople by the Latins in 1204, Crete fell to the lot of Boniface, marquis of Montferrat, but was sold by him to the Venetians, and thus passed under the dominion of that great republic, to which it continued subject for more than four centuries.
Conrad of Montferrat was, as much as any one man, responsible for the Third Crusade.
It was indeed time; the privations of the besiegers during the previous winter had been terrible; and the position of affairs had only been made worse by the dissensions between Guy de Lusignan and Conrad of Montferrat, who had begun to claim the crown in return for his services, and had, on the death of Sibylla, the wife of Guy, reinforced his claim by a marriage with her younger sister, Isabella.
Meanwhile Conrad of Montferrat, at the very instant when his superior ability had finally forced Richard to recognize him as king, had been assassinated (April 1192): Guy de Lusignan had bought Cyprus from Richard, and had sailed away to establish himself there; I and Henry of Champagne, Richard's nephew, had been called to the throne of Jerusalem, and had given himself a title by marrying Conrad's widow, Isabella.
On the one hand, the death of the count of Champagne (May 1201) had induced the crusaders to elect as their leader Boniface of Montferrat, the brother of Conrad; and Boniface was the cousin of Philip, and interested in Constantinople, where not only Conrad, but another brother as well, had served, and suffered for their service at the hands of their masters.
The original leader of the Crusade was John of Brienne, king of Jerusalem (who had succeeded Amalric II., marrying Maria, the daughter of Amalric's wife Isabella by her former husband, Conrad of Montferrat); but after the end of 1218 the cardinal legate Pelagius, fortified by papal letters, claimed the command.
After the Latin conquest of Constantinople in 1204, Otho de la Roche was granted the lordship of Athens by Bonif ace of Montferrat, king of Thessa lonica, with the title of Megaskyr (µ&ryas Ki pcos = great lord).
Richard also threw himself into the disputes respecting the crown of Jerusalem, and supported Guy of Lusignan against Conrad of Montferrat with so much heat that he incurred grave, though unfounded, suspicions of complicity when Conrad was assassinated by emissaries of the Old Man of the Mountain.
And, when Henry had succeeded to the crown on the announcement of Baldwin's death, it was Villehardouin who fetched home his bride Agnes of Montferrat, and shortly afterwards commanded under him in a naval battle with the ships of Theodore Lascaris at the fortress of Cibotus.
He fought in many campaigns against the dauphins of Viennois, the counts of Genevois, the people of Sion and Geneva, the marquesses of Saluzzo and Montferrat, and the barons of Faucigny.
In 1366 he led an expedition to the East against the Turks; and he arbitrated between Milan and the house of Montferrat (1379), between the Scaligeri and the Visconti, and between Venice and Genoa after the "War of Chioggia" (1381).
His attempt to capture Geneva by treachery (1602) failed, and although on the death of Francesco Gonzaga, duke of Mantua and Montferrat, he seized the latter city (1612) he was forced by Spain and her allies to relinquish it.
By the treaty of Utrecht (1713) Victor received the long-coveted Montferrat and was made king of Sicily; but in 1718 the powers obliged him to exchange that kingdom for Sardinia, which conferred on the rulers of Savoy and Piedmont the title subsequently borne by them until they assumed that of kings of Italy.
BALDWIN V., the son of Sibylla (daughter of Amalric I.) by her first husband, William of Montferrat, was the nominal king of Jerusalem from 1183 to 1186, under the regency of Raymund of Tripoli.
Of the secular buildings the more interesting are the Palazzo Madama, first erected by William of Montferrat at the close of the 13th century on the Roman east gate of the town, remains of the towers of which were incorporated in it, and owing its name to the widow of Charles Emmanuel II., who added the west façade and the handsome double flight of steps from Juvara's designs; and the extensive royal palace begun in the 17th century.
The attempt was unsuccessful and, after wandering about Greece, he surrendered with Euphrosyne, who had meanwhile joined him, to Boniface of Montferrat, then master of a great part of the Balkan peninsula.
Married first to William of Montferrat, to whom she bore a son, Baldwin, she was again married in 1180 to Guy of Lusignan; and dissensions between Sibylla and her husband on the one side, and Baldwin IV.
In 121 0 John married the heiress Mary (daughter of Isabella and Conrad of Montferrat), assuming the title of king in right of his wife.
- Ercole Antonio Mattioli (born at Bologna on the 1st of December 1640) was minister of Charles IV., duke of Mantua, who as marquess of Montferrat was in possession of the frontier fortress of Casale, which was coveted by Louis XIV.
In this enterprise (summer of 1204) Baldwin came into collision with Boniface of Montferrat, the rival candidate for the empire, who was to receive a large territory in Macedonia with the title of king of Saloniki.
It was given to his sister Sibylla, on her marriage with William of Montferrat in 1178.
Of England was trying to get a general on the cheap in Denmark to defend his son-in-law, the elector palatine, Richelieu was bargaining with the Spaniards in the Temporiz ing policy, treaty of Monzon (March 1626); but as the strained except in relations between France and England forced him lt~ly, to conciliate Spain still further by the treaty of April ~ 1627, the Spaniards profited by this to carry on an intrigue with Rohan, and in concert with the duke of Savoy, to occupy Montferrat when the death of Vicenzo II.
In 1204 Baldwin, conqueror of Constantinople, conferred the kingdom of Thessalonica on Boniface, marquis of Montferrat; but in 1222 Theodore, despot of Epirus, one of the natural enemies of the new kingdom, took the city and had himself there crowned by the patriarch of Macedonian Bulgaria.