Adolph I, Prince of Anhalt-Köthen
Adolph I, Prince of Anhalt- Köthen( died Zerbst, 28 August 1473), was a German prince of the House of Ascania and ruler of the principality of Anhalt- Köthen.
He was the eldest son of Albert IV, Prince of Anhalt- Köthen, by his first wife Elisabeth, daughter of Gebhard III, Count of Mansfeld.
Karl George Lebrecht, Prince of Anhalt-Köthen
Karl George Lebrecht of Anhalt- Köthen( Köthen, 15 August 1730 – Semlin, 17 October 1789), was a German prince of the House of Ascania and ruler of the principality of Anhalt- Köthen.
He was the second( but eldest surviving) son of Augustus Louis, Prince of Anhalt- Köthen, by his second wife Christine Johanna Emilie, daughter of Erdmann II, Count of Promnitz- Pless.
Emilie of Promnitz-Pless
Christine Johanna Emilie, Princess of Anhalt- Köthen( née Countess Christine Johanna Emilie of Promnitz- Pless; 15 September 1708 – 20 February 1732) was the second wife and consort of Augustus Louis, Prince of Anhalt- Köthen.
Philip, Prince of Anhalt-Köthen
Philip, Prince of Anhalt-Köthen (31 May 1468 – 13 November 1500) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Köthen.
He was the only son of Albert VI, Prince of Anhalt-Köthen, by his wife Elisabeth, daughter of Günther II, Count of Mansfeld.
William Louis, Prince of Anhalt-Köthen
William Louis of Anhalt- Köthen( 3 August 1638, in Köthen – 13 April 1665, in Köthen), was a German prince of the House of Ascania and ruler of the principality of Anhalt- Köthen.
He was the second son of Louis I, Prince of Anhalt- Köthen, but second- born son of his second wife Sophie, daughter of Simon VI, Count of Lippe.
Agnes Wilhelmine von Wuthenau
Agnes Wilhelmine von Wuthenau, Countess of Warmsdorf (4 December 1700 - 14 January 1725) was a German noblewoman and the first wife of Augustus Louis, Prince of Anhalt-Köthen.
Waldemar V, Prince of Anhalt-Köthen
Waldemar V, Prince of Anhalt- Köthen( died 1436) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Köthen.
He was the second son of Albert IV, Prince of Anhalt- Köthen, by his first wife Elisabeth, daughter of Gebhard III, Count of Mansfeld.
Anna Friederike of Promnitz-Pless
Anna Friederike, Princess of Anhalt- Köthen( née Countess Anna Friederike of Promnitz- Pless; 30 May 1711 – 31 March 1750) was the third wife and consort of Augustus Louis, Prince of Anhalt- Köthen.
Gisela Agnes of Rath
Gisela Agnes of Rath (9 October 1669 in Kleinwülknitz, now part of Köthen – 12 March 1740 in Nienburg) was Duchess of Anhalt-Köthen by marriage from 1692.
In 1694, she was created Countess of Nienburg.
From 1704 to 1715, she was regent of Anhalt-Köthen for her underage son.
Augustus Louis, Prince of Anhalt-Köthen
Augustus Louis of Anhalt-Köthen (9 June 1697 in Köthen – 6 August 1755 in Köthen), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Köthen.
He was the third (second surviving) son of Emmanuel Lebrecht, Prince of Anhalt-Köthen, by his wife Gisela Agnes of Rath.

Question: What is the date of death of Augustus Louis, Prince Of Anhalt-Köthen's mother?
Answer: 12 March 1740