"Adolph John I (German: Adolf Johann I., Swedish: Adolf Johan) (11 October 1629 – 14 October 1689) was Count Palatine of Kleeburg from 1654 until 1689 ...
[Read more]
and was considered Prince of Sweden until 1660. He was the younger brother of King Charles X Gustav of Sweden." - (en.wikipedia.org 08.06.2020)
