The hidden truth about the Duchy of Medinaceli.

Discover the fascinating history of the **Ducal House of Medinaceli**, one of the oldest and most prestigious in the **Spanish nobility**, that has survived centuries of grandeur and decline. Founded in 1368 by King Peter I of Castile, this **Duchy** became a symbol of power, intrigue, and palace secrets that have been hidden over time. Join us on this journey through its glorious beginnings, where Don Juan de la Cerda, the first duke, marked the start of a saga filled with luxury and tragedy. From the political intrigues that shaped its destiny to moments of splendor and ruin, the story of the Ducal House of Medinaceli is a captivating tale you won't want to miss. If you want to uncover the secrets of this emblematic nobility and learn about its legacy, read on and delve into the intriguing world of the Duchy of Medinaceli!

December 8, 2025

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The Hidden Truth about the Duchy of Medinaceli: Grandeur and Decay of the Ducal House of Medinaceli

The Ducal House of Medinaceli, one of the oldest and most prestigious in Spanish nobility, stands as a symbol of grandeur and decay throughout the history of Spain. Established in 1368 by King Peter I, this duchy has endured centuries of political intrigue, splendor, and ruin, revealing palace secrets that few know. In this journey through time, we will explore the fascinating and tumultuous history of the Ducal House of Medinaceli, immersing ourselves in a world of luxury and tragedy, where power intertwines with downfall.

The Glorious Beginnings of the Duchy of Medinaceli

The Ducal House of Medinaceli was founded in 1368 by King Peter I of Castile, known as the Just King, who granted the title of duke to Don Juan de la Cerda. This nobleman, hailing from a family of high lineage, became one of the most powerful men of his time. The house was established in the beautiful town of Medinaceli, in the province of Soria, a place that would become the epicenter of its influence.

During the 15th and 16th centuries, the nobility of Medinaceli reached its peak. The dukes allied with the Crown, actively participating in politics and wars, such as the conquest of Granada in 1492. The family benefited from the Reconquista, amassing vast lands and wealth that allowed them to build palaces and enjoy unimaginable luxuries. Chronicles of the time highlight the magnificence of the banquets and celebrations organized by the Ducal House, where art and culture flourished.

The Decline of the Ducal House of Medinaceli

However, the history of the Ducal House of Medinaceli is not solely one of grandeur. As the family's power consolidated, internal and external conflicts also began to brew.