Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Maria of Hanau-Münzenberg
Maria of Hanau-Münzenberg (20 January 1562 – 15 February 1605 in Frankfurt) was the youngest daughter of Count Philip III (1526-1561) and Countess Palatine Helena of Simmern (1532-1579).
She was born after her father's death and remained unmarried.
As with many female members of aristocratic families of the period who did not belong to important royal houses, the research into her life has many gaps.
A very incomplete picture of her life is known; only a few unusual facts, such as that she remained unmarried.
This was unintended; her mother's relatives tried to arrange a marriage into the House of Wittelsbach for her in 1573.
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.
Beatrix of Baden
Beatrix of Baden (22 January 1492 – 4 April 1535) was a Margravine of Baden by birth and by marriage and a Countess Palatine of Simmern.
She was a daughter of Christoph I, Margrave of Baden and Ottilie of Katzenelnbogen.
Countess Palatine Helena of Simmern
Countess Palatine Helena of Simmern (13 June 1532 – 5 February 1579 at Schwarzenfels Castle in Sinntal) was the daughter of Count Palatine and Duke John II of Simmern and his wife, Margravine Beatrice of Baden.
She was Countess of Hanau-Münzenberg by marriage.
Countess Palatine Magdalene Catherine of Zweibrücken
Magdalena Catherine, Countess Palatine of Zweibrücken( 26 April 1607, Zweibrücken – 20 January 1648, Strasbourg) was a Countess Palatine of Zweibrücken by birth and by marriage Duchess and Countess Palatine of Birkenfeld.
Amalie of the Palatinate
Amalie of the Palatinate( 25 July 1490 in Heidelberg – 6 January 1524, Szczecin) was a member of the Wittelsbach family and a Countess Palatine of Simmern by birth and Duchess of Pomerania- Wolgast by marriage.
Countess Palatine Dorothea of Simmern
Countess Palatine Dorothea of Simmern (6 January 1581 – 18 September 1631) was a Countess Palatine of Simmern by birth and Princess of Anhalt-Dessau by marriage.
Elisabeth of Hesse, Countess Palatine of Zweibrücken
Elisabeth of Hesse (4 March 1503 – 4 January 1563, Lauingen) was a Landgravine of Hesse by birth and by marriage Countess Palatine of Zweibrücken and later Countess Palatine of Simmern.
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.

Question: Who is the maternal grandmother of Countess Palatine Helena Of Simmern?
Answer: Ottilie of Katzenelnbogen