Hassan al-Hudaybi
Hassan al- Hudaybi( also Hassan al Hodeiby)( Arabic: حسن الهضيبي)( Dec 1891- Nov 11, 1973) was the second" General Guide", or leader, of the Muslim Brotherhood organization, appointed in 1951 after founder Hassan al- Banna's assassination two years earlier.
Al- Hudaybi held the position until his death in 1973.
Gülbahar Hatun (wife of Mehmed II)
Gülbahar Hatun( 1432 – 1492) was the consort of Sultan Mehmed II, and mother of Sultan Bayezid II of the Ottoman Empire and the grandmother of Selim I.
Hasan ibn Hasan
Hasan ibn Hasan (Arabic: حسن بن حسن, Hasan al-Muthana ibn Hasan ibn Ali, popularly known as Hasan al-Muthana) was a great-grandson of Muhammad.
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.
Hasan ibn Ali
Al-Hasan ibn Ali ibn Abi Talib (624–670 CE), sometimes spelled Hasan or Hassan, was the eldest son of Ali and Muhammad's daughter Fatimah, and was the older brother of Husayn.
Muslims respect him as a grandson of the Islamic Prophet Muhammad.
Among Shia Muslims, Hasan is revered as the second Imam.
Hasan was elected for the caliphate after his father's death, but abdicated after six or seven months to Muawiyah I, the founder of the Umayyad dynasty to end the First Fitna.
Al-Hasan was known for donating to the poor, his kindness to the poor and bondmen, and for his knowledge, tolerance and bravery.
For the rest of his life, Hasan lived in Medina, until he died at the age of 45 and was buried in the Jannat al-Baqi cemetery in Medina.
His wife, Ja'da bint al-Ash'at, is commonly accused of having poisoned him.
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.
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.

Question: Who is Hasan Ibn Hasan's paternal grandmother?
Answer: Fatimah