Dorothea Maria of Anhalt
Dorothea Maria of Anhalt (Dessau, 2 July 1574 – Weimar, 18 July 1617), was by birth a member of the House of Ascania and princess of Anhalt.
After her marriage, she became Duchess of Saxe-Weimar.
Dorothea Maria was the sixth daughter of Joachim Ernest, Prince of Anhalt, but second-born daughter by his second wife Eleonore, daughter of Christoph, Duke of Württemberg.
Joachim Ernest, Prince of Anhalt
Joachim Ernest of Anhalt (21 October 1536 – 6 December 1586), was a German prince of the House of Ascania, ruler of the principality of Anhalt-Zerbst from 1551, and from 1570 sole ruler of all the Anhalt lands.
Joachim Ernst, Duke of Anhalt
Joachim Ernst, Duke of Anhalt( 11 January 1901 – 18 February 1947) was the last ruler of the Duchy of Anhalt.
Louise of Anhalt-Dessau (1709–1732)
Louise, Princess of Anhalt- Bernburg( née Princess Louise of Anhalt- Dessau; 21 August 1709 – 29 July 1732) was the first wife and consort of Victor Frederick, Prince of Anhalt- Bernburg.
Gisela Agnes of Anhalt-Köthen
Gisela Agnes of Anhalt- Köthen( 21 September 1722, Köthen – 20 April 1751, Dessau) was a princess of Anhalt- Köthen by birth and by marriage Duchess of Anhalt- Dessau.
Dorothea Maria of Salm
Dorothea Maria zu Salm( in French:" Dorothée- Marie de Salm")( 1651- 1702), was a German- Roman monarch as Princess Abbess of the immediate Imperial Remiremont Abbey in the Duchy of Lorraine which then formed a part of the Holy Roman Empire, but later on was annexed by France in 1766.
Dorothea Maria zu Salm was the daughter of Prince Leopold Philipp Karl zu Salm and Countess Maria Anna von Bronckhorst- Batenburg, Heiress of Anholt.
She was elected Coadjutrice as a child, with the right to succeed the existing abbess, Anne Marie Thérèse de Lorraine.
She was chosen by dispensation from the Pope, despite being below the elective age of 25.
The abbess at the time was also a child, and Remiremont was ruled by the Dame Doyenne, Hélène d'Anglure, and the Dame Sonière Bernarde de Cléron de Saffre( fl. 1704).
When Anne Marie Thérèse de Lorraine died in 1661, Dorothea Maria succeeded her, with the same guardian government.
Hélène d' Anglure died in 1666, but her successor as Dame Doyenne, Bernarde de Cléron de Saffre, refused to resign her regency to Dorothea Maria.
In 1677, Dorothea Maria moved to the chateau Neuviller- sur- Moselle 3 days from Remiremont and engaged in a long lasting conflict about her rights to rule Remiremont.
In 1691, both parties appeared before the French monarch as mediator.
Dorothea Maria appointed her sister Christina of Salm as" Second- in- Command" in 1700, and Christina was therefore made regent in Remiremont during the minority of Béatrice Hiéronyme de Lorraine in 1702- 1711.
Frederica Henriette of Anhalt-Bernburg
Frederica Henriette of Anhalt- Bernburg( 24 January 1702–4 April 1723), was a member of the House of Ascania and Princess of Anhalt- Bernburg by birth and a Princess of Anhalt- Köthen by marriage.
Anna Maria of Anhalt
Anna Maria of Anhalt (Zerbst, 13 June 1561 – Brzeg, 14 November 1605), was by birth a member of the House of Ascania and a princess of Anhalt.
After her marriage, she was Duchess of Legnica-Brzeg-Oława-Wołów.
Anna Maria was the eldest daughter of Joachim Ernest, Prince of Anhalt, by his first wife Agnes, daughter of Wolfgang I, Count of Barby-Mühlingen.
Leopold IV, Duke of Anhalt
Leopold IV Frederick, Duke of Anhalt (1 October 1794 – 22 May 1871) was a German prince of the House of Ascania.
From 1817 until 1853 he was ruler of the duchy of Anhalt-Dessau and from 1847 until 1853 also ruler of the duchy of Anhalt-Köthen.
From 1853 until 1863 he was the ruler of the joined duchy of Anhalt-Dessau-Köthen and from 1863 the first ruler of the united duchy of Anhalt.
Countess Henriette Catherine of Nassau
Henriette Catherine of Nassau (10 February 1637 – 3 November 1708) was princess consort of Anhalt-Dessau by marriage to John George II, Prince of Anhalt-Dessau, and regent of Anhalt-Dessau from 1693 to 1698 during the minority (and then the absence) of her son Leopold I, Prince of Anhalt-Dessau.

Question: What is the date of death of Dorothea Maria Of Anhalt's father?
Answer: 6 December 1586