Karl, Prince of Leiningen
Karl, Prince of Leiningen( 13 February 18982 August 1946) was the son of Emich, 5th Prince of Leiningen.
He was the 6th Prince of Leiningen from 1939 until his death.
Johann, Count of Leiningen-Dagsburg-Falkenburg
Johann Karl August, Count of Leiningen- Dagsburg- Falkenburg( 19 March 1662 in Schloss Broich, Mülheim an der Ruhr – 13 November 1698 in Schloss Broich) was a German nobleman.
By descent, he was Count of Leiningen and Dagsburg, by heritage, he was Lord of Broich and Bürgel.
Johann Karl August was a son of Count George William of Leiningen- Dagsburg( 8 March 1636, Heidesheim am Rhein – 18 July 1672, Oberstein) and his wife, Countess Anna Elisabeth von Daun- Falkenstein( 1 January 1636 – 4 June 1685, Schloss Broich), daughter of Wilhelm Wirich von Daun- Falkenstein( 1613 – 1682) and Elisabeth von Waldeck- Wildungen( 1610 – 1647).
Emich Christian of Leiningen-Dagsburg
Emich Christian of Leiningen- Dagsburg( 29 March 1642, in Dagsburg – 27 April 1702) was, by descent, Count of Leiningen and Dagsburg and, by inheritance, Lord of Broich, Oberstein and Bürgel.
Marie Christine Felizitas of Leiningen-Dagsburg-Falkenburg-Heidesheim
Marie Christine Felizitas of Leiningen-Dagsburg-Falkenburg-Heidesheim (29 December 1692 – 3 June 1734), was a German noblewoman member of the House of Leiningen and by her two marriages Princess of Baden-Durlach and Duchess of Saxe-Eisenach.
Born in Broich Castle, Mülheim
an der Ruhr, she was the fourth from seven children of Johann Karl August, Count of Leiningen-Dagsburg-Falkenburg-Heidesheim and Lord of Broich and Bürgel by his wife Countess Johanna Magdalene of Hanau-Lichtenberg.
From Marie Christine's six older and younger siblings, only three survive adulthood: one sister, Sophie Magdalene (by marriage Countess of Salm-Grumbach) and two brothers, Christian Karl Reinhard and Johann Wilhelm Ludwig.
Countess Johanna Magdalene of Hanau-Lichtenberg
Countess Johanna Magdalene of Hanau-Lichtenberg (18 December 1660, Bischofsheim am Hohen Steg – 21 August 1715, Hanau)
was a daughter of Johann Reinhard II of Hanau-Lichtenberg (1628–1666) and the Countess Palatine Anna Magdalena of Birkenfeld-Bischweiler (1640–1693).
She died on 21 August 1715 and is said to have been buried in the St. Mary's Church in Hanau.
Prince George Charles of Hesse-Darmstadt
George Charles( German:" Georg Karl") of Hesse- Darmstadt( 14 June 1754- 28 January 1830, Schüttrisberg, now in Slovakia) was a German prince of the House of Hesse- Darmstadt.
He was the fourth child and third son of Prince George William of Hesse- Darmstadt and Countess Maria Louise Albertine of Leiningen- Dagsburg- Falkenburg.
Emich, 5th Prince of Leiningen
Emich, 5th Prince of Leiningen( 18 January 1866 – 18 July 1939) was the son of Ernst Leopold, 4th Prince of Leiningen.
He was 5th Prince of Leiningen from 1904 to 1918, and afterwards titular Prince of Leiningen from 1918 until his death.
Countess Maria Louise Albertine of Leiningen-Dagsburg-Falkenburg
Countess Maria Louise Albertine of Leiningen- Dagsburg- Falkenburg( 16 March 1729 – 11 March 1818); also known as Princess George, was heiress to the barony of Broich and by marriage Princess of Hesse- Darmstadt.
She was the grandmother and educator of Princess Louise of Mecklenburg- Strelitz, who later became Queen consort of Prussia.
Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg
Count Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg (17 July 1695, Mülheim an der Ruhr – 17 November 1766, Heidesheim) was a German nobleman.
He was a great-great-great-grandfather of Mary of Teck.
Countess Caroline Felizitas of Leiningen-Dagsburg
Caroline Felizitas of Leiningen- Dagsburg- Falkenburg( 22 May 1734, Heidesheim – 8 May 1810 Frankfurt) was a German Countess.
Her great- great- granddaughter was Mary of Teck.

Question: Who is Marie Christine Felizitas Of Leiningen-Dagsburg-Falkenburg-Heidesheim's maternal grandmother?
Answer: Countess Palatine Anna Magdalena of Birkenfeld-Bischweiler