Elisabeth Sophie Marie of Schleswig-Holstein-Norburg duchess of Brunswick-Wolfenbuttel (1683-1767) (1683–1767) Parents Bibiana von Promnitz in Pless Rudolph Frederick of Schleswig-Holstein-Sonderborg-Norburg Children Leopold August of Schleswig-Holstein-Sonderburg-Plön Siblings Ernst Leopold von Schleswig-Holstein-Sonderburg in Norburg Karl von Schleswig-Holstein-Sonderburg in Norburg Bibiana Amelia von Schleswig-Holstein-Sonderburg in Norburg Partners Augustus William, Duke of Brunswick-Lüneburg Adolf August, Hereditary Prince of Schleswig-Holstein-Sonderburg-Plön