Christine Wilhelmine of Hesse-Homburg
Landgravine Christine Wilhelmine of Hesse- Homburg( 30 June 1653, in Bingenheim – 16 May 1722, in Grabow) was a German noblewoman.
She was the eldest daughter of William Christoph, Landgrave of Hesse- Homburg and his first wife Sophia Eleonore of Hesse- Darmstadt.
Frederick IV, Landgrave of Hesse-Homburg
Frederick IV Charles Louis William of Hesse- Homburg( 15 April 1724 in Braunfels – 7 February 1751 in Bad Homburg), was Landgrave of Hesse- Homburg.
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.
Frederick I, Landgrave of Hesse-Homburg
Frederick I of Hesse-Homburg (5 March 1585, at Lichtenberg Castle in Fischbachtal – 9 May 1638, in Bad Homburg), was the first Landgrave of Hesse-Homburg and founder of the eponymous family line.
Frederick William, Prince of Solms-Braunfels
Prince Frederick William of Solms- Braunfels( 11 January 1696 in Braunfels – 24 February 1761, Braunfels) was the first Prince of Solms- Braunfels.
He was the son of Count William Maurice of Solms- Braunfels( 1651 – 1724) and his wife Magdalene Sophie of Hesse- Homburg( 1660 – 1720), a daughter of William Christoph, Landgrave of Hesse- Homburg, and his first wife.
Philip, Landgrave of Hesse-Homburg
Philip August Frederick" Landgrave of Hesse- Homburg"( 11 March 1779 in Homburg – 15 December 1846, ibid) was a field marshal in the imperial Austrian army.
He was the ruling Landgrave of Hesse- Homburg from 1839 until his death.
Frederick III, Landgrave of Hesse-Homburg
Frederick III James of Hesse- Homburg( born 19 May 1673 in Cölln; died: 8 June 1746 in's- Hertogenbosch) was a Landgrave of Hesse- Homburg
Louis William, Landgrave of Hesse-Homburg
Louis William, Landgrave of Hesse- Homburg( 29 August 1770 in Homburg – 19 January 1839 in Luxembourg), was Landgrave of Hesse- Homburg from 1829 until his death.
Landgravine Auguste of Hesse-Homburg
Landgravine" Auguste" Fredericka of Hesse- Homburg( full German name:" Auguste Friederike, Landgräfin von Hessen- Homburg"; 28 November 1776, Bad Homburg vor der Höhe, Landgraviate of Hesse- Homburg, Holy Roman Empire – 1 April 1871, Ludwigslust, Grand Duchy of Mecklenburg- Schwerin), was a member of the House of Hesse and a Landgravine of Hesse- Homburg by birth.
Through her marriage she was also a member of the House of Mecklenburg and Hereditary Grand Duchess of Mecklenburg- Schwerin.
She was the sixth child and fourth daughter of Frederick V, Landgrave of Hesse- Homburg and his wife Landgravine Caroline of Hesse- Darmstadt, in turn daughter of Louis IX, Landgrave of Hesse- Darmstadt.
William Christoph, Landgrave of Hesse-Homburg
William Christoph of Hesse-Homburg (13 November 1625, Ober-Rosbach – 27 August 1681, then in Bingenheim, now in Echzell) was the second Landgraf of Hesse-Homburg (then known as "Landgraf of Bingenheim") during 1648-1669.
He was the third (second surviving) of five sons of Frederick I, Landgrave of Hesse-Homburg, and succeeded his brother
Ludwig I as Landgrave in 1643, but
his mother was regent until 1648.

Question: When did William Christoph, Landgrave Of Hesse-Homburg's father die?
Answer: 9 May 1638