Gottfried Wilhelm Leibniz (or Leibnitz; 1 July 1646 [O.S. 21 June] – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist
Maria von Weber in order of both opus number and catalogue number. A complete chronological catalogue of Weber's works was compiled by Friedrich Wilhelm Jähns
Friedrich Wilhelmvon Hanau-Hořowitz (4 May 1832 – 24 March 1889) was a German aristocrat. Prince Friedrich was born at the Wilhelmshöhe Palace in Kassel
1963, he married Elisabeth von Essen, the daughter of Baron Eric von Essen and Louise (née Tamm). Gustaf and Elisabeth Douglas had two children, Carl and