Question: What is the date of birth of John, Landgrave Of Lower Hesse's father?
Sentence (from "Prince Frederick William of Hesse-Kassel"): Frederick William George Adolphus, Landgrave of Hesse( 25 November 1820 – 14 October 1884) was the only son of Wilhelm I, Landgrave of Hesse- Kassel- Rumpenheim and Princess Louise Charlotte of Denmark.
Relevant evidence: No