Adolph John I, Count Palatine of Kleeburg (1629–1689)
Born 1629 CE, died 1689 CE.
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 and was considered Prince of Sweden until 1660. He was the younger brother of King Charles X Gustav of Sweden.
Text from the Wikipedia article Adolph_John_I,_Count_Palatine_of_Kleeburg, licensed CC BY-SA 4.0.