Hedwig married Charles X Gustavus von Simmern, King of Sweden on 24 Oct 1654. Charles (son of John Casimir von Simmern, Count of Kleeburg and Catherine Vasa) was born on 8 Nov 1622; died on 23 Feb 1660. [Group Sheet] [Family Chart]
Charles married Ulrica Eleanor of Denmark Oldenburg on 16 May 1680. Ulrica (daughter of Frederick III of Denmark Oldenburg, King of Denmark, and Sophia Amelia of Brunswick) was born on 11 Sep 1656; died on 6 Aug 1693. [Group Sheet] [Family Chart]
Hedwig married Frederick von Holstein-Gottorp, Duke of Holstein-Gottorp on 12 Jun 1698. Frederick (son of Christian Albrecht von Holstein-Gottorp, Duke of Holstein-Gottorp and Frederica Amalie Oldenburg) was born on 18 Oct 1671; died on 19 Jul 1702. [Group Sheet] [Family Chart]
Charles married Anna Petrovna Romanov on 1 Jun 1725. Anna (daughter of Peter I the Great Alexeiovich Romanov, Tsar of Russia and Catherine I (Martha) Skavronska, Empress of Russia) was born on 9 Mar 1708; died on 1 Jun 1728. [Group Sheet] [Family Chart]