Duke Charles of Sudermania was a Swedish nobleman born in 1620. He was the son of King Charles IX of Sweden and played a significant role in the political landscape of Sweden during the 17th century. His title, Duke of Sudermania, was one of several titles held by members of the royal family, reflecting their status and land ownership. Charles was known for his military involvement and support of the Swedish Empire during the Thirty Years' War. He was also a key figure in the succession disputes that followed the death of Queen Christina of Sweden. His contributions to Swedish history are recognized, particularly in the context of the era's complex power dynamics.