William Louis, Prince of Anhalt-Harzgerode
William Louis of Anhalt-Harzgerode (Harzgerode, 18 August 1643 – Harzgerode, 14 October 1709), was a German prince of the House of Ascania and the last ruler of the principality of Anhalt-Harzgerode.
He was the eldest child and only son of Frederick, Prince of Anhalt-Harzgerode, by his first wife Johanna Elisabeth, daughter of John Louis, Prince of Nassau-Hadamar.
Johannetta of Sayn-Wittgenstein (1561–1622)
Johanetta of Sayn-Wittgenstein (15 February 1561 – 13 April 1622) was a daughter of Count Louis I of Sayn-Wittgenstein and his first wife, Anna of Solms-Braunfels, who was a relative of Amalia of Solms-Braunfels.
John Louis of Nassau-Hadamar
John Louis of Nassau-Hadamar (Dillenburg, 6 August 1590 – Hadamar, 10 March 1653)
He was the son of van John VI, Count of Nassau-Dillenburg and his third wife Johannetta of Sayn-Wittgenstein.
When his father died in 1606, Nassau was divided amongst his five sons.
William Louis received Nassau-Dillenburg, John received Nassau-Siegen, George received Nassau-Beilstein,
Ernst Casimir received Nassau-Dietz and John Louis received Nassau-Hadamar.
Henry I, Count of Nassau-Siegen
Henry I of Nassau- Siegen,( – between 13 July and 14 August 1343) was Count of Nassau- Siegen, a part of the County of Nassau, and ancestor of the House of Nassau- Siegen.
He comes from the Ottonian branch of the House of Nassau.
Johanna Elisabeth of Nassau-Hadamar
Johanna Elisabeth von Nassau- Hadamar( 17 January 1619 in Dillenburg – 2 March 1647 in Harzgerode) was a princess of Nassau- Hadamar by birth, and by marriage a princess of Anhalt- Harzgerode.
Elisabeth of Nassau-Dillenburg, Countess of Wied
Elisabeth of Nassau-Dillenburg (1 December 1488 – 3 June 1559 in Dillenburg) was a member of the House of Nassau.
She was a daughter of John V of Nassau-Dillenburg and his wife Elisabeth of Hesse-Marburg.
Her brothers were Henry III of Nassau-Breda, John of Nassau-Vianden-Dietz, Ernest of Nassau and William the Rich.
Her sister was Maria of Nassau.
Maurice Henry, Prince of Nassau-Hadamar
Maurice Henry, Prince of Nassau- Hadamar( 23 April 1626, in Hadamar – 24 January 1679, in Hadamar) was — after his father — the second ruler of the younger Nassau- Hadamar line of the Ottonian branch of the House of Nassau.
Francis Alexander, Prince of Nassau-Hadamar
Francis Alexander von Nassau- Hadamar( 27 January 1674 in Hadamar – 27 May 1711, ibid.) was the last prince of Nassau- Hadamar.
Emicho I, Count of Nassau-Hadamar
Emicho I, Count of Nassau- Hadamar( also known as" Emich", first mentioned in 1289, died on 7 June 1334), was the second son of Count Otto I of Nassau and his wife Agnes( d. 1303), the daughter of Count Emich IV of Leiningen- Landeck.
Emicho was the founder of the elder line of Nassau- Hadamar.
He was a cousin of King Adolf of Germany.
He and his brother Henry fought on Adolf's side in the Battle of Göllheim on 2 July 1298.
Frederick Louis, Count of Nassau-Ottweiler
Frederick Louis of Nassau- Ottweiler( 13 November 1651 – 25 May 1728) was a member of the House of Nassau.

Question: What is the date of death of John Louis Of Nassau-Hadamar's mother?