Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Margaret De Patta
Margaret De Patta(" née" Strong; 1903 – 1964) was born in Tacoma, Washington, and grew up in San Diego, California.
She died in Oakland, California.
She was an American jewelry designer active in the mid-century jewelry movement.
Her innovative jewelry was influenced by the" Bauhaus school, constructivism, and democratic ideals".
Her work is collected in many major museums including the Smithsonian American Art Museum, the Los Angeles County Museum of Art, and the Oakland Museum of California.
The first major retrospective of her work," Space- Light- Structure: The Jewelry of Margaret De Patta," opened at the Museum of Arts and Design in 2012.
The Velvet da Vinci gallery in San Francisco showed some of her works in" The De Patta Project: New Jewelry Made With Old Stones Acquired from the Estate of Margaret De Patta( 1903- 1964)."
Rohese de Clare
Rohese de Clare( bef. 1166) was a member of the wealthy and powerful de Clare family and a strong patron of Monmouth Priory.
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.
Eleanor de Clare
Eleanor de Clare, suo jure 6th Lady of Glamorgan( 3 October 1292- 30 June 1337) was a powerful English noblewoman who married Hugh Despenser the Younger and was a granddaughter of Edward I of England.
With her sisters, Elizabeth de Clare and Margaret de Clare, she inherited her father's estates after the death of her brother, Gilbert de Clare, 8th Earl of Gloucester, 7th Earl of Hereford at the Battle of Bannockburn in 1314.
She was born in 1292 at Caerphilly Castle in Glamorgan, Wales and was the eldest daughter of Gilbert de Clare, 6th Earl of Hertford, 7th Earl of Gloucester, 5th Lord of Glamorgan and Princess Joan of Acre.
Isabella of Gloucester and Hertford
Isabella de Clare( 2 November 1226 – 10 July 1264) was the daughter of Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Isabel Marshal.
She is also known as" Isabel de Clare", but this is however, the name of many women in her family.
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.
Bogo de Clare
Bogo de Clare (21 July 1248 – October 1294) was a member of the Anglo-Norman de Clare family, as third son of Richard de Clare (1222–1262), 5th Earl of Hertford and 6th Earl of Gloucester.
Joan of Acre
Joan of Acre (April 1272 – 23 April 1307) was an English princess, a daughter of King Edward I of England and Queen Eleanor of Castile.
The name "Acre" derives from her birthplace in the Holy Land while her parents were on a crusade.
She was married twice; her first husband was Gilbert de Clare, 7th Earl of Gloucester, one of the most powerful nobles in her father's kingdom; her second husband was Ralph de Monthermer, a squire in her household whom she married in secret.
Joan is most notable for the claim that miracles have allegedly taken place at her grave, and for the multiple references to her in literature.
Margaret de Clare
Margaret de Clare, Countess of Gloucester, Countess of Cornwall (12 October 1293 – 9 April 1342) was an English noblewoman, heiress, and the second-eldest of the three daughters of Gilbert de Clare, 6th Earl of Hertford and his wife Joan of Acre, making her a granddaughter of King Edward I of England.
Her two husbands were Piers Gaveston and Hugh de Audley, 1st Earl of Gloucester.

Question: Who is the maternal grandmother of Margaret De Clare?
Answer: Eleanor of Castile