Anna Amalia, Abbess of Quedlinburg
Princess Anna Amalia of Prussia (9 November 1723 – 30 March 1787) was Princess-Abbess of Quedlinburg.
She was one of ten surviving children of King Frederick William I of Prussia and Sophia Dorothea of Hanover.
Johann Wilhelm, Duke of Saxe-Weimar
Johann Wilhelm (11 March 1530 – 2 March 1573) was a duke of Saxe-Weimar.
Adelaide I, Abbess of Quedlinburg
Adelaide I( 973/74 – 14 January 1044 or 1045), a member of the royal Ottonian dynasty was the second Princess- abbess of Quedlinburg from 999, and Abbess of Gernrode from 1014, and Abbess of Gandersheim from 1039 until her death, as well as a highly influential kingmaker of medieval Germany.
Anna Sophia II, Abbess of Quedlinburg
Landgravine Anna Sophia of Hesse- Darmstadt( 17 December 1638 – 13 December 1683) was a German noblewoman who reigned as Princess- Abbess of Quedlinburg under the name Anna Sophia II.
Agnes II, Abbess of Quedlinburg
Agnes II( Agnes of Meissen; 1139 – 21 January 1203) was a member of the House of Wettin who reigned as Princess- Abbess of Quedlinburg.
Adelaide II, Abbess of Quedlinburg
Adelaide II( 1045 – 11 January 1096), a member of the Salian dynasty, was Abbess of Gandersheim from 1061 and Abbess of Quedlinburg from 1063 until her death.
Beatrice I, Abbess of Quedlinburg
Beatrice I, also known as Beatrice of Franconia( 1037 – 13 July 1061), was Abbess of Gandersheim Abbey from 1043 and Princess- Abbess of Quedlinburg Abbey from 1044 until her death.
Beatrix was born in Italy towards the end of 1037 as the only child of the Holy Roman Emperor Henry III and his first wife, Gunhilda of Denmark, who died about six months after Beatrice's birth.
Matilda, Abbess of Quedlinburg
Matilda( December 955 – 999), also known as Mathilda and Mathilde, was the first Princess- Abbess of Quedlinburg.
She was the daughter of Otto I, Holy Roman Emperor, and his second wife, Adelaide of Italy.
Hedwig, Abbess of Quedlinburg
Hedwig of Saxony( 31 October 1445 – 13 June 1511) was Princess- Abbess of Quedlinburg from 1458 until her death.
Maria, Abbess of Quedlinburg
Duchess Maria of Saxe-Weimar (7 October 1571 - 7 March 1610) was Princess-Abbess of Quedlinburg from 1601 until her death.
Born in Weimar, Maria was the daughter of John William, Duke of Saxe-Weimar, and Dorothea Susanne of Simmern.
Princess-Abbess Anna III of Quedlinburg died on 12 May 1601.
The provost of the congregation had died of plague and had not been replaced.
Dorothea was suggested as Anna III's successor by the guardian of the abbey, her brother, Frederick William I, Duke of Saxe-Weimar.
Holy Roman Emperor Rudolf II confirmed her election on 2 July.
Her reign was calm.
She proved to be unwilling to confront the abbey's protectors, the Dukes of Saxony, which led to the decrease in her own temporal authority.
She died suddenly in Halle, Saxony-Anhalt, on her way to Dresden, and was buried in Quedlinburg.
She was succeeded by Princess Dorothea of Saxony.

Question: When did Maria, Abbess Of Quedlinburg's father die?
Answer: 2 March 1573