Amidei
Image:Torre degli Amidei 21.JPG|thumb|Torre degli Amidei, near the Piazza della Signoria, most probable location of the assassination of Buondelmonte de' Buondelmonti
The Amidei family was an ancient Italian noble family from Florence, Italy. The family was of Roman descent but lived in Florence since its foundation. They have been described by Niccolò Machiavelli as being one of the most powerful families of its time, and were featured in Dante's poems on the political struggles of the Guelphs and Ghibellines in medieval Italy. Ancestors of the House of Piccolomini, Patricians of Siena, they married into the Medici family during the 20th century. The Amidei also claimed a Julia gens ancestry, through the Cottius family, Patricians of Rome.
[image:Matrimonio medievale - le nozze di Buondelmonte.jpg|160px|thumb|left|Marriage of Buondelmonte by Saverio Altamura.]
History
The Amidei were a prominent family in Florence and Tuscany. They owned lands and a castle in Mugnana. The family business began as production of olive oil and wine, and had developed into banking. In fact there was one or more wills in which the father stated he was leaving some credits that had to be withdrawn. In 1182, Bongianni of the Amidei was a Florentine councillor. In the early thirteenth century, the Amidei were allied with the Ghibelline faction, led by the Uberti and Lamberti families. Their stronghold was on via Por San Maria, which connected the Ponte Vecchio to the Mercato Nuovo and Mercato Vecchio. The remains of their tower, Torre degli Amidei, can still be seen.The Amidei are best remembered for a particular event occurring at a 1215 banquet in Florence during the Guelf and Ghibelline conflicts, an era of war between the Pope and the Holy Roman Emperor, such as Frederick Barbarossa and his successors. At the celebration, one of the guests, Buondelmonte de' Buondelmonti, stabbed a rival in the arm. As restitution for the injury and dishonor, the elders at the banquet decided that the young Buondelmonte must wed a girl from the Amidei family. That arranged, the Amidei and Buondelmonti families agreed that Buondelmonte had to publicly pledge troth to the Amidei maiden; however, with the Amidei assembled in the piazza, the young Buondelmonte on his horse bypassed past the Amidei, and instead asked for the hand of a girl from the Donati family, who were members of the Guelf faction.
Furious, the Amidei and their allies plotted revenge. They debated whether they should scar Buondelmonte's face, beat him up, or kill him. Mosca di Lamberti took the floor and argued that they should kill him at the place where he had dishonoured them. His famous words, 'cosa fatta capo ha', were recorded in Dante's Inferno and an earlier chronicle known as Pseudo-Latini. On Easter morning on his way to marry the Donati girl, as Buondelmonte crossed the Ponte Vecchio, he was ambushed and murdered by the Amidei and their Ghibelline allies. The Buondelmonte murder and its associated clan rivalry became the legendary origin of the Guelf and Ghibelline conflict in Florence, but early 14th century chroniclers, including Dino Compagni and Giovanni Villani, manipulated the story to lay blame for the conflict on one group or another.
In 1532, in his book Florentine Histories, Niccolò Machiavelli referred to the Amideis as being one of the most powerful families of Florence, along with the Buondelmontis, the Ubertis and the Donatis. The ouvrage was commissioned by Cardinal Giulio de' Medici, later known as Pope Clement VII, Patron of Michelangelo, Raphael, Copernicus, and Leonardo da Vinci.
On 20 April 1749, Maddalena Amidei married Carlo Barbiellini and they agreed to keep her name, since she was one of the last descendants of the Amidei, along with Cosimo Amidei and Gaspero Amidei. Modern descendants includes italian screenwriter Sergio Amidei, and Gaspare Barbiellini Amidei, husband of Clarice de Medici Tornaquinci, a cadet branch of the House of Medici. His parents were Bernardo Barbiellini Amidei and Anna Maria Pullè, son of Count Gasparo.