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How did the Colonna family help Jules Mazarin begin his career?

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Jules, Cardinal Mazarin Jules, Cardinal Mazarin, detail of a portrait by Philippe de Champaigne; in the Musée Condé, Chantilly, France.

The Colonna family played a foundational role in the early career of Jules Mazarin by providing essential patronage and opportunities for his advancement. Mazarin’s father, Pietro, served in the household of the constable Filippo I Colonna, and his mother was related to the Colonna house by marriage, establishing a vital connection for the young Mazarin.1

The family’s influence helped shape his path in several ways:

Education: Through his association with the Colonna family, Mazarin was able to accompany a young member of the family to Spain, where he completed his education in law at the university at Alcalá de Henares.1
Military Service: The Colonna family facilitated his entry into the professional world by securing him a captaincy in the papal army in 1624.1

These early experiences provided the necessary foundation for Mazarin to enter the diplomatic service of the Holy See, eventually leading to his prominent role as a statesman in France.1