Question: When did Anna Fredericka Philippine Of Schleswig-Holstein-Sonderburg-Wiesenburg's mother die?

Knowledge 1: Anna Fredericka Philippine of Schleswig-Holstein-Sonderburg-Wiesenburg
Anna Fredericka Philippine of Schleswig-Holstein-Sonderburg-Wiesenburg (4 July 1665 - 25 February 1748), was a German noblewoman member of the House of Oldenburg and by marriage Duchess of Saxe-Zeitz-Pegau-Neustadt.Born in Wiesenburg, she was the thirteenth of fifteen children born from the second marriage of Philip Louis, Duke of Schleswig-Holstein-Sonderburg-Wiesenburg with Anna Margaret of Hesse-Homburg.From her fourteen full-siblings, only seven survive adulthood: Frederick, Sophie Elisabeth (by marriage Duchess of Saxe-Zeitz), Charles Louis, Eleanor Margaret (by marriage Princess of Liechtenstein), William Christian, Magdalene Sophie (Abbess in Quedlinburg) and Johanna Magdalene Louise.In addition, she had two further older half-siblings from her father's first marriage with Catharina of Waldeck-Wildungen, of whom only one survive: Dorothea Elisabeth (by her two marriages Countess of Sinzendorf, Rabutin and Marchioness de Fremonville). [SEP] Knowledge 2: Anna Margaret of Hesse-Homburg
Anna Margaret of Hesse-Homburg, (31 August 1629 in Homburg – 3 August 1686 in Oberkotzau), was a Landgravine of Hesse-Homburg by birth and by marriage Duchess of Schleswig-Holstein-Sonderburg-Wiesenburg.
Knowledge 1: Anna Fredericka Philippine of Schleswig-Holstein-Sonderburg-Wiesenburg
Anna Fredericka Philippine of Schleswig-Holstein-Sonderburg-Wiesenburg (4 July 1665 - 25 February 1748), was a German noblewoman member of the House of Oldenburg and by marriage Duchess of Saxe-Zeitz-Pegau-Neustadt.Born in Wiesenburg, she was the thirteenth of fifteen children born from the second marriage of Philip Louis, Duke of Schleswig-Holstein-Sonderburg-Wiesenburg with Anna Margaret of Hesse-Homburg.From her fourteen full-siblings, only seven survive adulthood: Frederick, Sophie Elisabeth (by marriage Duchess of Saxe-Zeitz), Charles Louis, Eleanor Margaret (by marriage Princess of Liechtenstein), William Christian, Magdalene Sophie (Abbess in Quedlinburg) and Johanna Magdalene Louise.In addition, she had two further older half-siblings from her father's first marriage with Catharina of Waldeck-Wildungen, of whom only one survive: Dorothea Elisabeth (by her two marriages Countess of Sinzendorf, Rabutin and Marchioness de Fremonville). [SEP] Knowledge 2: Philip Louis, Duke of Schleswig-Holstein-Sonderburg-Wiesenburg
Philip Louis of Schleswig- Holstein- Sonderburg- Wiesenburg( born 27 October 1620 in Beck; died: 10 March 1689 in Schneeberg) was the founder and first duke of the line Schleswig- Holstein- Sonderburg- Wiesenburg.His branch of the House of Schleswig- Holstein- Sonderburg is named after Wiesenburg Castle, near Zwickau.
Knowledge 1: Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg
Princess Alexandra Victoria of Schleswig-Holstein- Sonderburg- Glücksburg( 21 April 1887 – 15 April 1957) was a daughter of Friedrich Ferdinand, Duke of Schleswig- Holstein and his wife Princess Karoline Mathilde of Schleswig- Holstein- Sonderburg- Augustenburg. [SEP] Knowledge 2: Friedrich Ferdinand, Duke of Schleswig-Holstein
Friedrich Ferdinand of Schleswig- Holstein- Sonderburg- Glücksburg( 12 October 1855 – 21 January 1934) was the fourth Duke of Schleswig- Holstein- Sonderburg- Glücksburg and became Duke of Schleswig- Holstein in 1931.

Answer: 3 August 1686