Question: When was Sophie Charlotte Of Württemberg's father born?

Knowledge 1: Sophie Charlotte of Württemberg
Sophie Charlotte of Württemberg (22 February 1671 – 11 September 1717), was a German noblewoman member of the House of Württemberg and by marriage Duchess of Saxe-Eisenach.Born in Stuttgart, she was the ninth of eleven children of Eberhard III, Duke of Württemberg and his second wife, Countess Marie Dorothea Sophie of Oettingen-Oettingen.From Sophie Charlotte's ten full-siblings, only she and his three (unmarried) brothers George Frederick, Louis and John Frederick survive adulthood; in addition, they had fourteen older half-siblings from their father's first marriage with Anna Katharina, Wild- and Rheingräfin of Salm-Kyrburg, of whom only eight survived:Sophie Louise (by marriage Margravine of Brandenburg-Bayreuth), Christine Fredericka (by marriage Duchess of Oettingen-Oettingen), Christine Charlotte (by marriage Princess of East Frisia), William Louis, Duke of Württemberg, Anna Katharine (unmarried), Eberhardine Katharine (by marriage Duchess of Oettingen-Oettingen), Frederick Charles, Duke of Württemberg-Winnental and Karl Maximilian (unmarried). [SEP] Knowledge 2: Eberhard III, Duke of Württemberg
Eberhard III, Duke of Württemberg (16 December 1614 in Stuttgart – 2 July 1674 in Stuttgart) ruled as Duke of Württemberg from 1628 until his death in 1674.Eberhard III became the heir under guardianship in 1628 during the Thirty Years' War at the age of 14 after the death of his father, Johann Frederick, 7th Duke of Württemberg.His guardian at first was his father's brother Louis Frederick, Duke of Württemberg-Montbéliard and after his death in 1631Julius Frederick, Duke of Württemberg-Weiltingen.Württemberg lost around one third of its territory in 1629.Julius Frederick was removed as guardian in 1633 when Eberhard was declared of full age at which point he assumed full rule of the Duchy.Following a major defeat of Württemberg troops in the battle of Nördlingen on 6 September 1634, Württemberg was severely looted and plundered.Eberhard fled to Strasbourg where he married in 1637, returning to Württemberg in 1638 after long negotiations with Ferdinand III of the Holy Roman Empire.By this time many territories had already been passed on by the Emperor to other parties to push forward Catholicism in the region.The Duchy of Württemberg was reinstated after long negotiations resulting in the Peace of Westphalia of 1648, despite or maybe because of the effects of war, poverty, hunger and the Bubonic plague all of which reduced the population from 350,000 in 1618 to 120,000 in 1648.Eberhard III entered into an inheritance agreement with his younger brother Frederick thereby handing over ownership of the Duchy of Württemberg-Neuenstadt and thus establishing a new branch line of the duchy.In 1651, Eberhard came to a similar agreement with another brother, Ulrich affecting the Castle of Neuenbürg.
Knowledge 1: Sophie Charlotte of Württemberg
Sophie Charlotte of Württemberg (22 February 1671 – 11 September 1717), was a German noblewoman member of the House of Württemberg and by marriage Duchess of Saxe-Eisenach.Born in Stuttgart, she was the ninth of eleven children of Eberhard III, Duke of Württemberg and his second wife, Countess Marie Dorothea Sophie of Oettingen-Oettingen.From Sophie Charlotte's ten full-siblings, only she and his three (unmarried) brothers George Frederick, Louis and John Frederick survive adulthood; in addition, they had fourteen older half-siblings from their father's first marriage with Anna Katharina, Wild- and Rheingräfin of Salm-Kyrburg, of whom only eight survived:Sophie Louise (by marriage Margravine of Brandenburg-Bayreuth), Christine Fredericka (by marriage Duchess of Oettingen-Oettingen), Christine Charlotte (by marriage Princess of East Frisia), William Louis, Duke of Württemberg, Anna Katharine (unmarried), Eberhardine Katharine (by marriage Duchess of Oettingen-Oettingen), Frederick Charles, Duke of Württemberg-Winnental and Karl Maximilian (unmarried). [SEP] Knowledge 2: Christoph, Duke of Württemberg
Christoph of Württemberg, Duke of Württemberg (12 May 1515 – 28 December 1568) ruled as Duke of Württemberg from 1550 until his death in 1568.
Knowledge 1: Eberhard III, Duke of Württemberg
Eberhard III, Duke of Württemberg (16 December 1614 in Stuttgart – 2 July 1674 in Stuttgart) ruled as Duke of Württemberg from 1628 until his death in 1674.Eberhard III became the heir under guardianship in 1628 during the Thirty Years' War at the age of 14 after the death of his father, Johann Frederick, 7th Duke of Württemberg.His guardian at first was his father's brother Louis Frederick, Duke of Württemberg-Montbéliard and after his death in 1631Julius Frederick, Duke of Württemberg-Weiltingen.Württemberg lost around one third of its territory in 1629.Julius Frederick was removed as guardian in 1633 when Eberhard was declared of full age at which point he assumed full rule of the Duchy.Following a major defeat of Württemberg troops in the battle of Nördlingen on 6 September 1634, Württemberg was severely looted and plundered.Eberhard fled to Strasbourg where he married in 1637, returning to Württemberg in 1638 after long negotiations with Ferdinand III of the Holy Roman Empire.By this time many territories had already been passed on by the Emperor to other parties to push forward Catholicism in the region.The Duchy of Württemberg was reinstated after long negotiations resulting in the Peace of Westphalia of 1648, despite or maybe because of the effects of war, poverty, hunger and the Bubonic plague all of which reduced the population from 350,000 in 1618 to 120,000 in 1648.Eberhard III entered into an inheritance agreement with his younger brother Frederick thereby handing over ownership of the Duchy of Württemberg-Neuenstadt and thus establishing a new branch line of the duchy.In 1651, Eberhard came to a similar agreement with another brother, Ulrich affecting the Castle of Neuenbürg. [SEP] Knowledge 2: Christoph, Duke of Württemberg
Christoph of Württemberg, Duke of Württemberg (12 May 1515 – 28 December 1568) ruled as Duke of Württemberg from 1550 until his death in 1568.

Answer: 16 December 1614