"Countess Palatine Maria Francisca of Sulzbach (Maria Franziska, Pfalzgräfin von Sulzbach; 15 June 1724 – 15 November 1794), was a Countess Palatine of Zweibrücken-Birkenfeld by marriage to Frederick Michael, Count Palatine of Zweibrücken-Birkenfeld.
Born in Schwetzingen, she was the fifth child of Joseph Karl, Count Palatine of Sulzbach and Countess Palatine Elizabeth Auguste Sophie of Neuburg. From her six siblings, only she and two older sisters survive adulthood: Elisabeth Auguste and Maria Anna." - (en.wikipedia.org 01.11.2019)
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