Charles James Irwin Grant, 6th Baron de Longueuil
Charles James Irwin Grant, only son of Charles William Grant, 5th Baron de Longueuil and Caroline Coffin, was born in Montreal on 1 April 1815.
He served in the 79th Regiment as a lieutenant for a while.
He later married
Henriet Colmore, from whom he fathered two sons (Alexander Frederick, died age 2 and Charles Colmore) as well as a daughter.
His wife Henriet died in 1847 and he remarried in Charleston, South Carolina on 18 January 1849 to Anne Trapman, second daughter of Louis Trapman, a consul.
He had many children from this union including Reginald Charles and John Charles Moore.
He died on 26 February 1879 at age 63.
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.
Charles Colmore Grant, 7th Baron de Longueuil
Charles Colmore Grant, 7th Baron de Longueuil was the son of Charles James Irwin Grant, 6th Baron de Longueuil and Harriet Cregoe-Colmore.
He was born on 13 April 1844 at Cheltenham, Gloucestershire, England.
In 1878, he married Mary Wayne, daughter of Thomas Wayne.
In 1880, he claimed a royal recognition of his right to the barony of Longueuil.
By the treaty of Quebec the sovereignty of Canada passed from the Kings of France to the Kings of Great Britain but with the reservation that all rights and privileges "of what kind soever" should be reserved and secured to all individuals of French descent to which they had been entitled under the previous regime.
Queen Victoria was graciously pleased to recognise the claim of Charles Colmore Grant to the title of Baron de Longueuil.
He died on 13 December 1898 at age 54 at New York City.
He was without issue and his half-brother Reginald Charles succeeded him.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
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.
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.
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.

Question: Who is Charles Colmore Grant, 7Th Baron De Longueuil's paternal grandmother?
Answer: Caroline Coffin