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.
Frederick, Hereditary Prince of Denmark
Frederick, Hereditary Prince of Denmark( 11 October 1753 – 7 December 1805) was heir presumptive to the thrones of Denmark and Norway.
He was the only surviving son of King Frederick V by his second wife, Juliana Maria of Braunschweig- Wolfenbüttel.
Hereditary Prince Frederick acted as regent on behalf of his half- brother King Christian VII from 1772 to 1784.
Elizabeth Stuart, Queen of Bohemia
Elizabeth Stuart (19 August 159613 February 1662) was Electress of the Palatinate and briefly Queen of Bohemia as the wife of Frederick V of the Palatinate.
Because her husband's reign in Bohemia lasted for just one winter, Elizabeth is often referred to as the "Winter Queen".
Elizabeth was the second child and eldest daughter of James VI and I, King of Scotland, England, and Ireland, and his wife, Anne of Denmark.
With the demise of the last Stuart monarch in 1714, Elizabeth's grandson succeeded to the British throne as George I, initiating the Hanoverian dynasty.
Princess Juliane Sophie of Denmark
Juliane Sophie( 18 February 1788, in Copenhagen – 9 May 1850, in Copenhagen) was a Princess of Denmark, the daughter of Frederick, Hereditary Prince of Denmark, who himself was a younger son of King Frederick V of Denmark in his second marriage to queen Juliana Maria of Braunschweig- Wolfenbüttel.
Frederick, Hereditary Prince of Baden-Durlach
Frederick, Hereditary Prince of Baden-Durlach (7 October 1703 – 26 March 1732) was a German hereditary prince of the Margraviate of Baden-Durlach.
Frederick was the son of Charles III William, Margrave of Baden-Durlach, and Magdalena Wilhelmine of Württemberg (7 November 1677 - 30 October 1742), the daughter of William Louis, Duke of Württemberg.
He became heir apparent when his elder brother Charles Magnus died in 1712.
However, he died before his father did and therefore never came to government in Durlach.
He served in the imperial army.
In 1724, he was appointed colonel, in 1728, he was promoted to major general.
Prince George Bernhard of Anhalt-Dessau
George Bernhard of Anhalt- Dessau( 21 February 1796 – 16 October 1865), was a German prince of the House of Ascania from the Anhalt- Dessau branch.
He was born in Dessau, the second son of Frederick, Hereditary Prince of Anhalt- Dessau, by his wife Landgravine Amalie of Hesse- Homburg, daughter of Frederick V, Landgrave of Hesse- Homburg.
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 Amalia of Nassau-Dietz
Princess Amalia of Nassau- Dietz( Anna Charlotte Amalie; – 18 September 1777) was the wife of Frederick, Hereditary Prince of Baden- Durlach, and mother of Charles Frederick, the first Grand Duke of Baden.
Henry Frederick, Hereditary Prince of the Palatinate
Henry Frederick, Electoral Prince of the Palatinate, (1 January 1614 – 7 January 1629 in the Netherlands) was the eldest son of Frederick V, the Winter King, and his wife, Elizabeth Stuart, daughter of King James I of England.
As soon as the prince was born, Elizabeth ordered "pieces" using the English word, meaning the firing of cannon to celebrate the birth.
He was most probably named after his dead uncle Henry Frederick, Prince of Wales, who like him died a teenager.
He wrote a letter to his grandfather King James from The Hague on 11 May 1621.
Henry Frederick drowned at the age of 15.
He was on his way to Amsterdam to see the captured Spanish treasure fleet there and drowned crossing the Haarlemmermeer.
Frederick, Hereditary Prince of Saxony
Frederick, Hereditary Prince of Saxony( 15 March 1504, Dresden- 26 February 1539, Dresden) was a German nobleman and member of the Albertine branch of the house of Wettin.

Question: Who is the maternal grandmother of Henry Frederick, Hereditary Prince Of The Palatinate?
Answer: Anne of Denmark