Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Elisabeth of the Palatinate
Elisabeth of the Palatinate( 26 December 1618 – 11 February 1680), also known as Elisabeth of Bohemia, Princess Elisabeth of the Palatinate, or Princess- Abbess of Herford Abbey, was the eldest daughter of Frederick V, Elector Palatine( who was briefly King of Bohemia), and Elizabeth Stuart.
Elisabeth of the Palatinate is a philosopher best known for her correspondence with René Descartes.
She was critical of Descartes' dualistic metaphysics and her work anticipated the metaphysical concerns of later philosophers.
Prince Wilhelm of Prussia (1783–1851)
Prince Friedrich Wilhelm Karl of Prussia (
July 1783, Berlin – 28 September 1851, Berlin) was the son of Frederick William II of Prussia and Frederika Louisa of Hesse-Darmstadt.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Frederick Augustus II, Grand Duke of Oldenburg
Frederick Augustus II( 16 November 1852 in Oldenburg – 24 February 1931 in Rastede) was the last ruling Grand Duke of Oldenburg.
He married Princess Elisabeth Anna of Prussia, daughter of Princess Maria Anna of Anhalt- Dessau and Prince Frederick Charles of Prussia.
After her death, he married Elisabeth Alexandrine of Mecklenburg- Schwerin.
Princess Elisabeth Marie of Bavaria
Princess Elisabeth of Bavaria (8 January 1874 – 4 March 1957) was a member of the Bavarian Royal House of Wittelsbach.
She was known as Princess of Bavaria until 1918.
Princess Elisabeth of Prussia
Princess Elisabeth of Prussia (18 June 1815 – 21 March 1885) was the second daughter of Prince Wilhelm of Prussia and Landgravine Marie Anna of Hesse-Homburg and a granddaughter of Frederick William II of Prussia.
Prince Philip, Duke of Edinburgh is her great-great-grandson.
Princess Elizabeth of Greece and Denmark
Princess Elisabeth of Greece and Denmark( 24 May 1904 – 11 January 1955) was the middle daughter of Prince Nicholas of Greece and Grand Duchess Elena Vladimirovna of Russia.
Princess Elisabeth of Hesse and by Rhine (1895–1903)
Princess Elisabeth of Hesse and by Rhine( Prinzessin Elisabeth Marie Alice Viktoria von Hessen und bei Rhein)( 11 March 1895 – 16 November 1903) was a German Hessian and Rhenish child princess, the only daughter of Ernst Ludwig, Grand Duke of Hesse and by Rhine and his first wife, Princess Victoria Melita of Saxe- Coburg and Gotha.
She was named after her paternal great- grandmother, who was born Princess Elisabeth of Prussia.
Her paternal aunt had the same name and was also nicknamed Ella.
Elisabeth's early death was rumored to be a result of poison meant for her uncle, Tsar Nicholas II, but the court physician said she died of virulent typhoid, probably caused by her taking a drink of water from a contaminated stream.

Question: Who is the paternal grandmother of Princess Elisabeth Of Prussia?
Answer: Frederika Louisa of Hesse-Darmstadt