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.
Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
Anthony Henley, 3rd Baron Henley
Anthony Henley Henley, 3rd Baron Henley (12 April 1825 – 27 November 1898),
also 1st
Baron Northington in the Peerage of the United Kingdom, was a British peer and Liberal Member of Parliament.
Henley was the son of Robert Henley, 2nd Baron Henley.
Lord Chancellor Robert Henley, 1st Earl of Northington, was his great-grandfather.
He succeeded his father as third Baron Henley in 1841 but as this was an Irish peerage it did not entitle him to a seat in the House of Lords.
He was instead elected to the House of Commons for Northampton in 1859, a seat he held until 1874.
In 1885 the Northington title held by his great-grandfather was revived when he was created Baron Northington, of Watford in the County of Northampton, in the Peerage of the United Kingdom.
This title gave him and the later Barons an automatic seat in the House of Lords.
He was appointed High Sheriff of Northamptonshire for 1854.
Lord Henley married, firstly, Julia Emily Augusta, daughter of the Very Reverend John Peel, Dean of Worcester, in 1846.
After her death in 1862 he married, secondly, Clara Campbell Lucy, daughter of Joseph H. S. Jekyll, in 1870.
He died in November 1898, aged 73, and was succeeded in his titles by his eldest son Frederick.
Lady Henley died in 1922.
Robert Henley, 2nd Baron Henley
Robert Henley Henley, 2nd Baron Henley (3 September 1789 – 3 February 1841), was a British lawyer and Member of Parliament.
Born Robert Henley Eden, he was the son of Morton Eden, 1st Baron Henley, and Lady Elizabeth Henley, youngest daughter of Lord Chancellor Robert Henley,
1st Earl of Northington (c. 1708 – 1772).
He served as a Master in Chancery from 1826 to 1840 and between 1826 and 1830 he also sat as Member of Parliament for Fowey.
In 1830 he succeeded his father as second Baron Henley, but as this was an Irish peerage it did not entitle him to a seat in the House of Lords.
The following year, Lord Henley assumed by royal licence the surname of Henley in lieu of Eden.
in commemoration of his maternal ancestors, and the same year he published a biography of his maternal grandfather, entitled "Memoir of the Life of Robert Henley, Earl of Northington, Lord High Chancellor of Great Britain".
Henley married Harriet Peel, daughter of Sir Robert Peel, 1st Baronet, and sister of Prime Minister Sir Robert Peel, 2nd Baronet, in 1823.
He died in February 1841, aged 51, and was succeeded in the barony by his son Anthony.
Lady Henley died in 1869.
Diana Guardato
Diana Guardato was a member of the aristocratic Patrician Guardato family, and had three children with King Ferdinand I: Diana Guardato is the 16th- Great Grandmother of His Royal Highness Albert II of Belgium, 15th- Great Grandmother of His Majesty Juan Carlos
I of Spain, 17th- Great Grandmother of Philippe of Belgium, 14th- Great Grandmother of His Majesty Manuel II of Portugal, 16th- Great Grandmother of Grand Duke Henri, as well as many others.
Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.
Mona Hopton Bell
Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.
She was the grandmother of the painter Jean H. Bell.
Purnima (Hindi actress)
Purnima Das Verma( born Meherbhano Mohammad Ali) was an Indian film actress who worked predominantly in Hindi language films.
She is the grandmother of actor Emraan Hashmi.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.

Question: Who is Anthony Henley, 3Rd Baron Henley's paternal grandmother?
Answer: Lady Elizabeth Henley