Question: What is the date of death of Alexander Frederick, Landgrave Of Hesse's mother?
Sentence (from "Gustav, Landgrave of Hesse-Homburg"): Gustav, Landgrave of Hesse- Homburg( 17 February 1781 – 8 September 1848) was landgrave of the German state of Hesse- Homburg from 1846 to 1848.
Relevant evidence: No