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.
Infante Francisco, Duke of Beja
Infante Francisco, Duke of Beja , (Lisbon, 25 May 1691 – Lisbon, 21 July 1742) was a Portuguese "infante" (prince) son of Peter II, King of Portugal, and his second wife, Maria Sofia of the Palatinate.
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.
Infanta Maria Cristina of Spain (1833–1902)
Maria Cristina, Infanta of Spain and Portugal( 5 June 1833 – 19 January 1902) was a daughter of Infante Francisco de Paula of Spain and his wife Princess Luisa Carlotta of Bourbon- Two Sicilies.
She became an" Infanta of Portugal" by her marriage to Infante Sebastian of Portugal and Spain.
Peter II of Portugal
"Dom" Pedro II (Peter II; 26 April 1648 – 9 December 1706), nicknamed "the Pacific", was the King of Portugal from 1683 until his death, previously serving as regent for his brother Afonso VI from 1668 until his own accession.
He was the fifth and last child of John IV and Luisa de Guzmán.
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.
João da Bemposta
D. João of Braganza, Duke of Abrantes" jure uxoris"( 12 June 1726- 23 October 1780), more commonly known as João da Bemposta, was a legitimized natural son of Infante Francisco, Duke of Beja.
A grandson of King Pedro II of Portugal, and thus a member of the House of Braganza, João held various offices during the reigns of his uncle King João V and cousin Queen Maria I.
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.

Question: Who is Infante Francisco, Duke Of Beja's paternal grandmother?
Answer: Luisa de Guzmán