Alice of Namur
Alice of Namur (died July 1169 at Valenciennes) was the daughter of Godfrey I, Count of Namur and Ermesinde, Countess of Luxembourg and Longwy the daughter of Conrad I of Luxembourg.
Her father married her off to Baldwin IV, Count of Hainault around 1130.
Gislebert of Mons described her as having "a graceful body and a beautiful face".
Her son was the heir of Namur when her brother Henry IV of Luxembourg died in 1196.
Her children with Baldwin IV of Hainaut were:
She was buried inside Saint Waltrude Collegiate Church.
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.
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.
William I, Marquis of Namur
William I, Marquis of Namur," the Rich",( 1324 – 1 October 1391) was Count of Namur from 1337 until his death.
John I, Marquis of Namur
John I of Namur( 1267 – 31 January 1330) was the ruler of Namur from 1305 to 1330.
He was a member of the House of Dampierre, the son of Guy of Dampierre, Count of Flanders and Marquis of Namur, and his second wife Isabelle of Luxembourg.
John was the father of Blanche of Namur, Queen of Sweden and Norway.
He was the elder brother of Guy of Namur, whom he sent to command the Flemish rebels against the French Kingdom in the 1302 Battle of the Golden Spurs.
Godfrey I, Count of Namur
Godfrey of Namur (attested in 1080; died 19 August 1139) was a Lotharingian nobleman.
He was Count "jure uxoris" of Porcéan from 1097 until his death.
From 1102, he was also Count of Namur.
He was the oldest son of Count Albert III and his wife Ida of Saxony, the heiress of Laroche.
In 1121, he founded Floreffe Abbey, where he also was buried.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.

Question: Who is the paternal grandmother of Alice Of Namur?
Answer: Ida of Saxony