Otto Friedrich Karl, Fürst zu Salm-Horstmar (8 February 1833 â 15 February 1892) was a German nobleman and politician.
Otto was born on 8 February 1833 at Coesfeld. He was the son of Countess Elisabeth Anna Caroline Julie Amalie zu Solms-Rödelheim-Assenheim, and Rhinegrave Friedrich of Salm-Grumbach, who was created Prince of Salm-Horstmar in 1816. His younger brother was Prince Eduard of Salm-Horstmar, who married Countess Sophie von Schimmelmann. Another brother, Prince Karl of Salm-Horstmar, married Princess Elise of Hohenlohe-Schillingsfürst (youngest daughter of Franz Joseph, Prince of Hohenlohe-Schillingsfürst).
His paternal grandparents were Wild- and Rhinegrave Karl Ludwig zu Salm-Grumbach und Dhaun, and Countess Friederike zu Sayn-Wittgenstein-Hohenstein. His maternal grandparents were Count Volrath zu Solms-Rödelheim und Assenheim and Countess Philippine Charlotte zu Solms-Laubach.
Upon the death of his father in 1866, Salm-Horstmar then took over the family estates.
As a head of a former Imperial house in Prussia for the County of Horstmar, Salm-Horstmar was a hereditary member of the Prussian House of Lords from 1866 until his death in 1892. He was also a Colonel ÃÂ la suite in the Army.
On 18 June 1864, Prince Otto I married Countess Emilie zu Lippe-Biesterfeld (1841âÂÂ1892), a daughter of Julius, Count of Lippe-Biesterfeld and Countess Adelheid of Castell-Castell (a granddaughter of Karl Ludwig, Prince of Hohenlohe-Langenburg). Her brother, Ernest, Count of Lippe-Biesterfeld, married Countess Karoline von Wartensleben. With her, he had the following seven children:
His wife, Emilie, Princess of Salm-Horstmar, died at Varlar Castle on 11 February 1892 and the Prince of Salm-Horstmar died four days later on 15 February 1892 at Bonn.