Question: Who is Princess Agnes Of Hohenlohe-Langenburg's father-in-law?

Knowledge 1: Princess Agnes of Hohenlohe-Langenburg
Princess Marie "Agnes" Henriette of Hohenlohe-Langenburg, full German name: "Marie Agnes Henriette, Prinzessin zu Hohenlohe-Langenburg" (5 December 1804, Langenburg, Principality of Hohenlohe-Langenburg – 9 September 1835, Haid, Kingdom of Bohemia, Austrian Empire) was a member of the House of Hohenlohe-Langenburg and a Princess of Hohenlohe-Langenburg by birth.Through her marriage to Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg, Agnes was also a member of the House of Löwenstein-Wertheim-Rosenberg and Hereditary Princess of Löwenstein-Wertheim-Rosenberg.Through her daughter Adelaide of Löwenstein-Wertheim-Rosenberg, Agnes is an ancestor to numerous Roman Catholic European royal families. [SEP] Knowledge 2: Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg
Constantine Josef, Hereditary Prince of Löwenstein-Wertheim-Rosenberg (28 September 1802 Kleinheubach, near Miltenberg – 27 December 1838, Kleinheubach), was the eldest son and heir of Charles Thomas, Prince of Löwenstein-Wertheim-Rosenberg and his wife, Sophie of Windisch-Graetz.He died before his father.
Knowledge 1: Princess Agnes of Hohenlohe-Langenburg
Princess Marie "Agnes" Henriette of Hohenlohe-Langenburg, full German name: "Marie Agnes Henriette, Prinzessin zu Hohenlohe-Langenburg" (5 December 1804, Langenburg, Principality of Hohenlohe-Langenburg – 9 September 1835, Haid, Kingdom of Bohemia, Austrian Empire) was a member of the House of Hohenlohe-Langenburg and a Princess of Hohenlohe-Langenburg by birth.Through her marriage to Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg, Agnes was also a member of the House of Löwenstein-Wertheim-Rosenberg and Hereditary Princess of Löwenstein-Wertheim-Rosenberg.Through her daughter Adelaide of Löwenstein-Wertheim-Rosenberg, Agnes is an ancestor to numerous Roman Catholic European royal families. [SEP] Knowledge 2: Princess Helene of Hohenlohe-Langenburg
Princess Helene of Hohenlohe- Langenburg( 22 November 1807, Langenburg, Principality of Hohenlohe- Langenburg- 5 September 1880, Schleiz, Thuringia) was a member of the House of Hohenlohe- Langenburg and a Princess of Hohenlohe- Langenburg by birth and a member of the House of Württemberg and a Duchess of Württemberg as the second wife of Duke Eugen of Württemberg
Knowledge 1: Princess Agnes of Hohenlohe-Langenburg
Princess Marie "Agnes" Henriette of Hohenlohe-Langenburg, full German name: "Marie Agnes Henriette, Prinzessin zu Hohenlohe-Langenburg" (5 December 1804, Langenburg, Principality of Hohenlohe-Langenburg – 9 September 1835, Haid, Kingdom of Bohemia, Austrian Empire) was a member of the House of Hohenlohe-Langenburg and a Princess of Hohenlohe-Langenburg by birth.Through her marriage to Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg, Agnes was also a member of the House of Löwenstein-Wertheim-Rosenberg and Hereditary Princess of Löwenstein-Wertheim-Rosenberg.Through her daughter Adelaide of Löwenstein-Wertheim-Rosenberg, Agnes is an ancestor to numerous Roman Catholic European royal families. [SEP] Knowledge 2: Hermann, Prince of Hohenlohe-Langenburg
Hermann Ernst Franz Bernhard, Prince of Hohenlohe- Langenburg( 31 August 1832 – 9 March 1913) was the 6th Prince of Hohenlohe- Langenburg and the second son of Ernst I, Prince of Hohenlohe- Langenburg and Princess Feodora of Leiningen( half- sister of Queen Victoria).He succeeded to the title of Prince of Hohenlohe- Langenburg(" Fürst zu Hohenlohe- Langenburg") on 21 April 1860, when his elder brother signed over his rights to the throne.He died on 9 March 1913 in Langenburg, Kingdom of Württemberg, German Empire( present- day Baden- Württemberg, Germany).

Answer: Charles Thomas, Prince of Löwenstein-Wertheim-Rosenberg