A distinguished soldier, he fought in
Italy, the
Mediterranean and
Flanders. Besides his military commitments, he was a diplomat (he served as ambassador in
Denmark from 1648 to 1661). Fighting for the
Habsburg side, Rebolledo played a prominent role in the
Thirty Years War. During the Thirty Years War, Rebolledo was commander in chief for a Spanish army division and defeated the Swedish army at Frankenthal. Holy Roman Emperor
Ferdinand III appointed him Governor of Westphalia and gave him the German noble title
Gref av Westphalia länder. De Rebolledo was one of Spanish negotiators of
Westphalian Peace Treaty, 1643-48. In 1647 he was appointed Spanish ambassador for Northeastern Europe, Denmark and Poland, with responsibility to keep an eye on Sweden.
Pope Pius IV appointed him as his secret representative for Northern Europe with the mission to reconstruct the Catholic Church in Denmark and Sweden, which he did it. He became close friend with members of Denmark royal house who invited him to live in one of the royal family castles. He converted duke af Luneborg to Catholicism. The Danish crown honored him with several portraits, now in Danish national museum and at castles. During the Seven Years Scandinavian war, he served as artillery commander at Danish army. Rebolledo received from Denmark the mission to negotiate with Sweden a Peace treaty to finish the war. He appointed his nephew
Antonio Pimentel de Prado as Spanish ambassador to Sweden, who succeeded to build up a confident relation with Queen
Christina of Sweden, who did not want to marry, but wanted to abdicate and become a catholic. Christina was the granddaughter of
Gustav Vasa, the same who started Lutheran reform against the Catholic Church in Sweden and part of Denmark. Pimentel and others aimed to convert the Swedish Queen Christina, who created in his honour the Amarant Order, a cultural organization still existing. Rebolledo succeeded, helping her to escape from Stockholm in a man disguise to Lübeck, were his Jewish-Spanish friend Moshe Texeira succeeded hiding Christina. As a poet, he shows a personal tone, due to his military and diplomatic obligations, out of
Spain and its literary tendencies. == Descendants from Count house de Rebolledo ==