Ulrica married Charles XI of Sweden von Simmern, King of Sweden on 16 May 1680. Charles (son of Charles X Gustavus von Simmern, King of Sweden and Hedwig Eleonora von Holstein-Gottorp) was born on 4 Dec 1655; died on 15 Apr 1697. [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]
Peter married Catherine II the Great von Anholt-Zerbst, Empress of Russia on 1 Sep 1745. Catherine (daughter of Christian Augustus von Anholt-Zerbst, Prince of Anholt-Zerbst and Joanna Elizabeth von Holstein-Gottorp) was born on 2 May 1729 in Szczecin, Poland; died on 17 Nov 1796 in St.Petersburg, Russia. [Group Sheet] [Family Chart]