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Jacques de Savoie
Prince of Achaia

(c. 1315–67)


Biographical

Titular Prince of Achaia 1334–60 dep.; 1363–67†
Signore di Piemonte 1334–60 dep.; 1363–67†
Signore di Cumiana 1334-67

Jacques succeeded his father, but as he was still a minor, Piedmont was governed by his mother and a Council of Regency. They immediately put an end to the statue of emergency that the state had found itself in under Philippe I. Three disadvantageous peace treaties signed with the rivals of Piedmont signed between 1334 and 1335 resulted in a loss of territory for Jacques. But at the same time control over urban municipalities were strengthened after the precarious situation resulting from Ghibelline rebellion of 1334 at Turin. By 1340 Giacomo had been given control of governing his lands, but from 1339 to the end of the 1340s, he, and the counts of Savoy, were involved in military clashes with the marquises of Montferrat and the Visconti over the Canavese area and the Angevin lands. Through arbitration in 1349, the conflict ended and Jacques saw his political power diminished, and the loss of control of Ivrea. The arrival of Charles IV in Italy in 1354 was an opportunity for Jacques to recover his losses, and the emperor granted him numerous benefits, particularly, the right to impose taxes for goods in transit in his domains. As this affected goods through the Susa valley, relations with Amédée VI worsened, and a crisis emerged where Jacques allied himself with the Visconti and took Ivrea. As Piedmont was subject to Savoy, the count forced Jacques to cease control of Ivrea and he abolished the taxes. However, Jacques reinstated the taxes in 1359, regenerating the crisis, and combined with other provocative abuses, such as associating his son, Philippe, with the government without the count's consent, finally prompted Amédée VI to invade Jacques domains, depose him, and have him imprisoned. The relative political autonomy that the Savoy-Achaia line enjoyed was eliminated permanently and it remained strictly under the control of the counts of Savoy. Jacques regained control of his dominions, except for the Canavese, in 1363 through a treaty signed the previous year, in exchange for the promise of a large indemnity to the counts of Savoy. Also, Amédée tool charge of the succession, ordering Jacques to marry Margaret of Beaujeu, and whose children were made his heirs to the exclusion of his son Philippe. In 1364 Philippe was made to renounce all rights that his father had granted to him in connection with the governing of his dominion. Jacques amended his will in 1366 naming Amédée, his son by Margaret, his principal heir, in accordance with Amédée VI's orders, and with Philippe being bequeathed some lands as a vassal to his younger brother. Philippe rebelled soon afterwards ageist his father, using military action, and occupying a large area of the east in 1367. Jacques denounced his son, and fled to Pavia, and then to Pinerolo, where he died.

Place of death: Pinerolo
Place of burial: Pinerolo

Son of Philippe I de Savoie and Catherine de La Tour du Pin. He was married firstly to Beatrice d'Este in 1338, but had no issue. He was married secondly to Sibylle de Baux in 1339, and had issue. He was married thirdly to Marguerite de Beaujeu in 1362 (marriage contract), and had issue. He also had illegitimate issue.



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