Princess Tatiana of Sayn-Wittgenstein-Berleburg
Princess Tatiana of Sayn-Wittgenstein-Berleburg (Tatiana Louise Ursula Therese Elsa; born 31 July 1940) is the fourth child and second daughter of Gustav Albrecht, 5th Prince of Sayn-Wittgenstein-Berleburg, and his wife, Margareta Fouché d'Otrante, and younger sister of Prince Richard of Sayn-Wittgenstein-Berleburg, the husband of Princess Benedikte of Denmark.
Tatjana is the former wife of the late Moritz, Landgrave of Hesse, from 1980 head of the House of Hesse.
Their marriage took place in the summer of 1964 in Gießen.
They divorced in 1974.
Princess Luise Dorothea of Prussia
Princess Luise Dorothea of Prussia( Luise Dorothea Sophie; 29 September 1680 – 23 December 1705) was Hereditary Princess of Hesse- Kassel by marriage to Frederick, Hereditary Prince of Hesse- Kassel.
She was the daughter of Frederick I, First King in Prussia by his first wife Elisabeth Henriette of Hesse- Kassel.
She died in childbirth.
Princess Elisabeth of Hesse-Kassel
Princess Charlotte" Elizabeth" Alexandra Mary Louise of Hesse- Kassel( 13 June 1861 – 7 June 1955), was a Princess of Hesse- Kassel by birth and, by her marriage to Leopold, Hereditary Prince of Anhalt, the Hereditary Princess of Anhalt.
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.
Princess Wilhelmine of Baden
Princess Wilhelmine of Baden( 21 September 1788 – 27 January 1836), was by birth Princess of Baden and by marriage Grand Duchess consort of Hesse and the Rhine.
She was the youngest daughter of Charles Louis, Hereditary Prince of Baden and Amalie of Hesse- Darmstadt.
Joseph, Hereditary Prince of Hesse-Rotenburg
Joseph of Hesse- Rotenburg( 23 September 1705 – 24 June 1744) was the Hereditary Prince of Hesse- Rotenburg from his birth till his death in 1744.
He was heir apparent to the Landgraviate of Hesse- Rotenburg.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Donatus, Landgrave of Hesse
Donatus, Prince and Landgrave of Hesse ("Heinrich Donatus Philipp Umberto"; born 17 October 1966) is the eldest son and successor of German aristocrat Moritz, Landgrave of Hesse, and his former wife, Princess Tatiana of Sayn-Wittgenstein-Berleburg.
A great-grandson of Victor Emmanuel III of Italy
, he is named in part after Georg Donatus, Hereditary Grand Duke of Hesse.
He is also a great-great-great grandson of Queen Victoria of the United Kingdom, through his paternal grandfather Philipp's mother Margaret, a granddaughter of Queen Victoria.
His father Moritz was a third cousin of Queen Elizabeth II of the United Kingdom.
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.
Carol Victor, Hereditary Prince of Albania
Carol Victor, Hereditary Prince of Albania( Karl Viktor Wilhelm Friedrich Ernst Günther von Wied, 19 May 19138 December 1973) was the only son of William, Prince of Albania and briefly heir to the Principality of Albania.
He held the title of" Hereditary Prince of Albania".
He was also styled Skënder, in homage to Skanderbeg, the national hero.

Question: Who is Donatus, Landgrave Of Hesse's maternal grandmother?
Answer: Margareta Fouché