Guillaume Gouffier, seigneur de Bonnivet
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Guillaume Gouffier, seigneur de Bonnivet (c. 1488 – 24 February 1525) was a French soldier.
The younger brother of Artus Gouffier, seigneur de Boisy, tutor of Francis I of France, Bonnivet was brought up with Francis, and after the young king's accession he became one of the most powerful of the royal favourites. In 1515 he was made admiral of France. In the imperial election of 1519 he superintended the candidature of Francis, and spent vast sums of money in his efforts to secure votes, but without success. An implacable enemy of the Constable de Bourbon, he contributed to the downfall of the latter. In command of the army of Navarre in 1521, he occupied Fuenterrabia and was probably responsible for the renewal of hostilities resulting from its not being restored.
Bonnivet succeeded Odet de Foix, Vicomte de Lautrec, in 1523, as commander of the army of Italy and entered the Milanese, but was defeated and forced to effect a disastrous retreat, in which the chevalier Bayard perished. He was afterwards one of the principal commanders of the army which Francis led into Italy at the end of 1524, and died at the Battle of Pavia.
Brantôme says that the Battle of Pavia was fought at Bonnivet's instigation, and that, seeing the disaster he had caused, he deliberately sought a heroic death. In spite of his failures as a general and diplomat, his good looks and brilliant wit enabled him to retain the intimacy and confidence of his king. He followed a licentious lifestyle. According to Brantôme, he was the successful rival of the king for the favours of Madame de Châteaubriant, and if, as is thought, he was the hero of the fourth story of the Heptameron, Marguerite d'Angoulême was also courted by him.
- Notably a letter in the National Archives, dated 14 March 1516 and addressed to Antonio Maria Pallavicini, the French ambassador to the Papal Court, relaying the French king’s invitation to Leonardo da Vinci to enter the king’s service. Cf. Jan Sammer, "The Royal Invitation," in Carlo Pedretti ed., Leonardo da Vinci and France (CB Edizioni, 2011), pp. 30-35.