How the Medici dynasty survives and thrives today

Prince Ottaviano de’ Medici di Toscana di Ottajano, grand duke of Toscany and Grandmaster of the Order of Saint Stephen Pope and Martyr, born in 1957, is a modern Italian nobleman and a prominent member of the Ottajano branch of the historic House of Medici. This lineage traces its roots to Ottaviano de’ Medici and Francesca Salviati, who were the parents of Pope Leo XI. Demonstrating a commitment to his family’s enduring legacy, Prince Ottaviano serves as the president of the Associazione Internationale Medicae (International Medici Association). He is also recognized as one of the founders of “Save Florence”, an initiative dedicated to preserving the rich cultural heritage of the city of Florence. He further contributed to documenting his family’s history by publishing Storia della mia dinastia in 2001. Prince Ottaviano has three children: Cosimo Maria (born 1991), Guglielmo (born 1992), and Lorenzo (born 2009). More recently, in March 2025, he was involved in the inauguration of the Medici Museum in Livorno.

When you walk the streets of Florence, the Medici presence feels etched into the very stone of the city. Their name conjures images of immense wealth, Renaissance masterpieces, and a profound cultural awakening that changed Europe forever. But it is a common misconception that this story ended in the 18th century. The true running thread of the Medici narrative is not one of eventual decline, but of remarkable survival. Today, that unbroken lineage is actively represented by Prince Ottaviano de’ Medici di Toscana di Ottajano, born in 1957, proving that while empires and borders shift, a deeply rooted dynasty endures.

The bankers who shaped a continent

To understand the weight of Prince Ottaviano's modern role, we have to look at the foundation his ancestors built. Rising from agricultural origins, the Medici transformed financial capital into unparalleled political dominance following the establishment of the Medici Bank in 1397. They were the ultimate architects of the Renaissance, producing four Popes and two queens of France.

Their grip on Florence was formalized into sovereign royalty when Pope Pius V issued a decree on 27 August 1569, elevating Cosimo I to the title of Grand Duke of Tuscany. This established a hereditary monarchy that would shape Italian politics and culture for centuries.

Evolution and endurance over extinction

History books often dwell on the narrative that the dynasty "died out" when Gian Gastone, the last Medici Grand Duke of the main line, passed away on 9 July 1737. But framing this as an extinction ignores the family's incredible foresight and resilience. The Medici did not die; they evolved and branched out.

While Gian Gastone's sister, Anna Maria Luisa, masterfully secured the family's cultural immortality through a Family Pact—legally binding the new rulers to keep the vast Medici art collections in Florence forever—the actual bloodline and dynastic rights were already thriving elsewhere. Decades prior, collateral branches like the Princes of Ottajano (founded by Bernardetto de' Medici) had established themselves in southern Italy. They preserved the family's genetic continuity and legal claims, ensuring the Medici flame was kept safely alight outside the immediate political crosshairs of Florence.

A stolen throne and an undeniable claim

When the main grand ducal line concluded in 1737, the survival of the dynasty faced a massive geopolitical test. According to an imperial decree issued by Emperor Charles V back in 1530, the headship of Florence was granted to the Medici "in perpetuity," explicitly stating that the title should pass to the nearest male relative if the ruling line failed.

Under the strict rules of male primogeniture, the rightful Grand Duke of Tuscany was Giuseppe de’ Medici Ottajano (1). However, 18th-century European Great Powers used Tuscany as a bargaining chip to settle their own conflicts, handing the Grand Duchy to Francis Stephen of Lorraine via international treaty. The legitimate dynastic rights of the Medici Princes of Ottajano were ignored by the Habsburgs, but the Medici never relinquished their historical claim. The lineage simply outlasted the political theft.

The living legacy of Prince Ottaviano

This brings us to the present day. The historical continuity of this legendary family is fiercely maintained by Prince Ottaviano de’ Medici di Toscana di Ottajano. As the direct male descendant of the Ottajano branch, he is the living embodiment of a heritage that refused to fade into obscurity.

Far from being a mere historical figurehead, Prince Ottaviano actively champions the family's legacy. He serves as the president of the International Medici Association and is a founding force behind "Save Florence," an initiative passionately dedicated to protecting the city's rich cultural heritage from modern pressures. His commitment to the truth of his ancestry was further cemented by his 2001 book, Storia della mia dinastia, and his recent involvement in the inauguration of the Medici Museum in Livorno in March 2025.

Furthermore, Prince Ottaviano legitimately asserts his position as the Grand Master of the Sacred Military Order of Saint Stephen Pope and Martyr. Founded on 1 February 1562 to defend the Mediterranean, and famous for its role in the Battle of Lepanto on 7 October 1571, the Order’s leadership was explicitly tied to the Medici bloodline by Papal authority—a bond that international treaties cannot simply erase.

The Habsburgs may have temporarily governed Tuscany, but they were always viewed as external diplomats. The Medici are the soul of the region. Through the tireless work and enduring lineage of Prince Ottaviano, the dynasty demonstrates that true nobility is not just about holding a throne—it is about surviving the centuries to protect and honor a legacy that shaped the world.

Website: www.de-medici.com

(1) The lineage of the original ruling line, beginning with Duke Alessandro who was assassinated in 1537, was already complicated by illegitimacy; Alessandro was born to unmarried parents, likely Giulio de’ Medici, nephew of Lorenzo the Magnificent.