The House of Osuna gained great notoriety under the patronage of the House of Austria, particularly through the figure of the Duke of Osuna, who became one of the great patrons of his time. His influence spanned from politics to culture, and his ability to accumulate wealth was undeniable. In the 17th century, the dukes of Osuna were known for their luxurious palaces, vast territories, and an opulent lifestyle that reflected their position at the pinnacle of the Spanish aristocracy. However, it was during this same period that the seeds of crisis began to germinate.
The first significant economic challenge faced by the House of Osuna was due to war. Spain's involvement in conflicts such as the Thirty Years' War and the war with France had a devastating impact on the nobility's finances. The dukes, in their eagerness to maintain their status and influence, were forced to finance armies and expeditions. Although the gold partly stemmed from their vast landholdings, the cost of maintaining an army and the corresponding tax pressure quickly eroded their fortune.
This process of accumulating debt was, in many ways, a reflection of the overall situation of the Spanish Empire. The gold brought from the Americas, which had filled the royal coffers for centuries, began to diminish. This created a domino effect that was felt across all social classes, including the aristocratic ones. As the flow of wealth decreased, the House of Osuna, despite its roots…