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.
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.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
Princess Ragnhild, Mrs. Lorentzen
Princess Ragnhild, Mrs Lorentzen (Ragnhild Alexandra; 9 June 1930 – 16 September 2012), was the eldest child of King Olav V of Norway and Princess Märtha of Sweden.
She was the older sister of King Harald V and Princess Astrid.
She was the first royal to have been born in Norway since the middle ages.
In 1953 she married the industrialist Erling Lorentzen, a member of the Lorentzen family of shipping magnates.
In the same year they moved to Brazil, where her husband was an industrialist and a main owner of Aracruz Celulose.
She lived in Brazil until her death 59 years later.
Although she was the King's eldest child, she was never in the line of succession to the Norwegian throne, owing to Norway's law of agnatic succession.
She was, however, 17th in the line of succession to the British throne at the time of her birth and remained one of the first hundred people in that line of succession for her entire life.
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.
Olav V of Norway
Olav V (born Prince Alexander of Denmark; 2 July 1903 – 17 January 1991) was King of Norway from 1957 until his death.
Olav was the only child of King Haakon VII of Norway and Maud of Wales.
He became heir apparent to the Norwegian throne when his father was elected King of Norway in 1905.
He was the first heir to the Norwegian throne to be brought up in Norway since Olav IV in the fourteenth century, and his parents made sure he was given as Norwegian an upbringing as possible.
In preparation for his future role, he attended both civilian and military schools.
In 1929, he married his first cousin Princess Märtha of Sweden.
During World War II his leadership was much appreciated and he was appointed Norwegian Chief of Defence in 1944.
At his death in 1991, he was the last surviving grandchild of Edward VII of the United Kingdom and Alexandra of Denmark.
Owing to his considerate, down-to-earth style, King Olav was immensely popular, resulting in the nickname "FolkekongenThe People's King").
In a 2005 poll by the Norwegian Broadcasting Corporation, Olav was voted "Norwegian of the Century".
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 Princess Ragnhild, Mrs. Lorentzen?
Answer: Maud of Wales