Schleswig-Holstein-Sonderburg-Wiesenburg

[1] Although the members possessed the title of duke in Denmark and in the Holy Roman Empire, they held property in and derived income from allotted sections of the Duchy of Schleswig-Holstein, but sovereignty over these lands remained in the authority of their pater familias, the king of Denmark.

[1] He made what initially appeared to be a failing investment in the mining industry in Schneeberg and Neustädtel.

In 1675, Philip Louis sold Wiesenburg Castle, which he had renovated, with the surrounding land and sovereign rights for 100000Taler to his eldest son, Frederick (1651–1724), who served as an imperial lieutenant general in Hungary.

[1] In 1686, Philip Louis bought Oberkotzau in Franconia from Christian Ernst, Margrave of Brandenburg-Bayreuth.

Duke Leopold had reverted to Catholicism, and married Princess Marie Elisabeth of Liechtenstein (1683–1744).