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.
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.
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.
Sigrid Svendsdatter
Sigrid Svendsdatter (died after 1066) was a Danish princess, the illegitimate daughter of King Sweyn II of Denmark.
She married
Obotrite Prince Gottschalk (died 1066), who was in service of Canute the Great since 1029, and who was assisted by her father in regaining his father's principality.
It is likely that they married in connection to this.
She became the mother of Henrik Gottskalksøn.
In 1066, her spouse was deposed in a rebellion.
Sigrid and her female servants were captured in Mecklenburg, after which she was, according to traditional reports, "whipped" out of the country.
Her life after 1066 is not documented.
In 1100, she was surely dead, as her son laid claim to her inherited lands in Denmark.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Sweyn II of Denmark
Sweyn II Estridsson  (– 28 April 1076) was King of Denmark from 1047 until his death in 1076.
He was the son of Ulf Thorgilsson and Estrid Svendsdatter, and the grandson of King Sweyn I Forkbeard through his mother's line.
He was married three times, and fathered 20 children or more out of wedlock, including the five future kings Harald III Hen, Canute IV
the Saint, Oluf
I Hunger, Eric
I Evergood, and Niels.
He was courageous in battle, but did not have much success as a military commander.
His skeleton reveals that he was a tall, powerfully built man who walked with a limp.
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.

Question: Who is the paternal grandmother of Sigrid Svendsdatter?
Answer: Estrid Svendsdatter