Spain in the 17th century all contributed to the decline of the Habsburg rule of Spain. The end of the 17th century also brought the end of Habsburg rule. The 18th century began with the War of the Spanish Succession, which concluded in the establishment of the Bourbon dynasty in Spain. In 1469, Ferdinand II of Aragon and Isabella I of Castile united the Crowns of Aragon and Castile into one, creating the early modern Spanish state. Although this ensured future Spanish rulers would rule over both Aragon and Castile, both regions had their own administration and legal systems. In addition, Aragon itself was divided
Jeanne de Bourbon, Duchess of Bourbon eldest son of Robert, Count of Clermont and Beatrix of Bourbon. Beatrix was the heiress of the Bourbon family and the matriarch of the new Bourbon line of the Capetian dynasty. Robert was the youngest son of Louis IX of France and Margaret of Provence. She married first John II, Duke of Bourbon in 1487. The groom was about sixty-one years old and the bride only twenty-two. John had survived two previous wives and his only son. He was in a need of an heir; however, they had only one son: John II died the same year as his second