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.
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.
Blanche of Lancaster
Blanche of Lancaster (25 March 1342 – 12 September 1368) was a member of the English royal House of Plantagenet and the daughter of the kingdom's wealthiest and most powerful peer, Henry of Grosmont, 1st Duke of Lancaster.
She was the first wife of John of Gaunt, the mother of King Henry IV, and the grandmother of King Henry V of England.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
James I of Cyprus
James I (1334 – September 9, 1398) was the youngest son of King Hugh IV of Cyprus and by 1369 held the title "Constable of Jerusalem.
" When his nephew Peter II died in 1382, James became King of Cyprus.
James was also titular King of Armenian Cilicia and Jerusalem 1382–1398.
James was the third son of Hugh IV of Cyprus and his second wife, Alix of Ibelin.
His older half-brother was Guy, Prince of Galilee (1320–43), and his two brothers were Peter I, King of Cyprus (1328-1369), and John of Lusignan, Prince of Antioch (1329-1375).
Before becoming king, James had other offices and was known for his resistance against the Genoese invasion of Cyprus.
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.
Henry of Lusignan
Henry of Lusignan or Henri de Lusignan (died 7 July 1426), Titular Prince of Galilee, a military leader in Egypt, killed in action at Khirokitia or Chirokhitia.
He was son of James I of Cyprus and his first wife Helvis of Brunswick-Grubenhagen.
Henry married ca 1406 his cousin Eleonore de Lusignan (d. ca 1414), granddaughter of Jean de Lusignan and second wife Alice d'Ibelin, without issue, and had three bastard children, the male lineof which became extinct in 1660:
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 Henry Of Lusignan's paternal grandmother?
Answer: Alix of Ibelin