Prince Frederick Adolf of Sweden [SEP] father
Prince Frederick Adolf, Duke of Östergötland
Prince Frederick Adolf of Sweden (; 18 July 1750 in Drottningholm – 12 December 1803 in Montpellier, France) was a Swedish Prince, youngest son of King Adolf Frederick of Sweden and Louisa Ulrika of Prussia, a sister of Frederick the Great, King of Prussia. He was given the title Duke of Östergötland.
Life.
During his childhood, Frederick Adolf was under the tutelage of Ulrica Schönström. The Duke was described as "the most beautiful Prince in Europe" and was
more and more at odds with each other.
Sophia Albertina and her youngest brother, Prince Frederick Adolf of Sweden, were the favourites of their mother, and also very close themselves. Sophia Albertina lived at her mother's court and under her strict control until the latter’s death in 1782. 
During the conflict of 1778, when her mother, the Queen Dowager, supported the rumour that her brother King Gustav III had given the task to father his heir to Count Frederick Adolf Munck, Sophia Albertina and her brother