August Duke of Schleswig-Holstein-Sonderburg-Beck (13 February 1652 – 26 September 1689 in Bonn) was a German nobleman. From 1675 until his death he was the ruling Duke of Schleswig-Holstein-Sonderburg-Beck. He was the second duke of this appanage.
birth date
1652-02-13
death date
1689-09-26
death place
Bonn
parent
August Philipp Duke of Schleswig-Holstein-Sonderburg-Beck