Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
Flavia Maximiana Theodora
Flavia Maximiana Theodora, also known as Theodora, was a Roman Empress, wife of Constantius Chlorus.
She is often referred to as a stepdaughter of Emperor Maximian by ancient sources, leading to claims by historians Otto Seeck and Ernest Stein that she was born from an earlier marriage between Eutropia, wife of Maximian, and Afranius Hannibalianus.
This man was consul in 292 and praetorian prefect under Diocletian.
Timothy Barnes challenges this view stating that all "stepdaughter sources" derive their information from the partially unreliable work "Kaisergeschichte" (written in the 4th century), while more reliable sources refer Theodora as Maximian's natural daughter.
He concludes that she was born no later than c. 275 to an unnamed earlier wife of Maximian, possibly one of Hannibalianus' daughters.
In 293, Theodora married Flavius Valerius Julius Constantius (later known as Constantius Chlorus), after he had divorced from his first wife, Helena, to strengthen his political position.
The couple had six children:
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.
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.
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.
Flavius Dalmatius
Flavius Dalmatius (died 337), also known as Dalmatius the Censor, was a censor (333), and a member of the Constantinian dynasty, which ruled over the Roman Empire at the beginning of the 4th century.
Dalmatius was the son of Constantius Chlorus and Flavia Maximiana Theodora, and thus half-brother of the Emperor Constantine I.
Dalmatius spent his youth in the Gallic Tolosa.
It is probable that his two sons, Dalmatius and Hannibalianus, were born here.
During the mid-320s, Flavius Dalmatius returned to Constantinople, to the court of his half-brother, and was appointed consul and censor in 333.
In Antioch, Flavius was responsible for the security of the eastern borders of the realm.
During this period, he examined the case of bishop Athanasius of Alexandria, an important opponent of Arianism, who was accused of murder.
In 334, Flavius suppressed the revolt of Calocaerus, who had proclaimed himself emperor in Cyprus.
In the following year he sent some soldiers to the council of Tyros to save the life of Athanasius.
His two sons were appointed to important offices under Constantine's administration, but Flavius Dalmatius and his sons were killed in the purges that followed the Emperor's death in May 337.
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.
Hüma Hatun
Hüma Hatun (1410 ‒ September 1449) was the fourth wife of Ottoman Sultan Murad II and mother of Mehmed II and the grandmother of Bayezid II.
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.

Question: Who is the maternal grandmother of Flavius Dalmatius?
Answer: Eutropia