John III, Marquis of Namur
John III( died 10 March 1429) was between 1418 and 1429 the last independent Marquis of Namur.
He was the youngest son of William I, Marquis of Namur and Catherine of Savoy( † 1388), daughter of Louis II of Savoy, baron of Vaud, and Isabella of Châlon.< br>
When his father died in 1391, he inherited Wijnendale and Ronse.
He succeeded his elder brother William II as Marquis of Namur, when William died without children in 1418.
John never married, but had an illegitimate son with his cousin Cécile of Savoy: Philip of Namur, seigneur de Dhuy( died 1449).
John III lead a very luxurious life, and he had to raise taxes to finance his expenses.
This led to revolts and high debts, which forced John to sell his County to Philip the Good, Duke of Burgundy( 23 April 1421) for 30.000 golden crowns and the clause that he could benefit from the usufruct of his former county.
Philip the Good incorporated Namur into the Burgundian Netherlands, thus ending the existence of an independent County of Namur.
Henry II of Namur
Henry II( 1206 – 1229) was the margrave of Namur from 1226 to his death.
He was the third son of the Peter II of Courtenay, Latin Emperor and Yolanda of Flanders.
When his eldest brother, Philip II, Marquis of Namur died in 1226 without an heir, his second brother Robert was already Latin Emperor in Constantinople, so Henry became the new Margrave of Namur, under regency of Enguerrand III, Lord of Coucy.
When his brother Robert died in 1228, Henry renounced the title of Latin Emperor, which went to his younger brother Baldwin .< br>
Henry died himself one year later without children, and he was succeeded by his sister Margaret, married to Henry, count of Vianden.
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.
Guy II, Marquis of Namur
Guy II of Namur, (1312 – 12 March 1336), was Count of Namur from 1335 to 1336.
He was the second son of John I, Marquis of Namur, and Mary of Artois.
He participated in 1332 on the side of the Count of Flandres against the Duke of Brabant, in the war over Mechelen.
He succeeded his brother John II as Count of Namur on 2 April 1335.
Under influence of his younger brother Robert of Namur, he recognized King Edward III of England as his Lord, in exchange for a pension.
He also participated in the War against Scotland with 300 men, but was surprised by a larger Scottish force under John Randolph, 3rd Earl of Moray in the Battle of Boroughmuir.
Guy was taken prisoner, but released for ransom.
After his return to Namur, he participated in a tournament in Flanders, where he was mortally wounded.
He was succeeded by his younger brother Philip.
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.
John II, Marquis of Namur
John II of Namur,( 1311 – 2 April 1335), was Marquis of Namur from 1330 to 1335.
He was the eldest son of John I, Marquis of Namur, and Mary of Artois.
He succeeded his father on 26 January 1330.
He joined an alliance against John III, Duke of Brabant, but by the intervention of King Philip VI of France, a conflict was averted.
He died unmarried, but had an illegitimate son Philip, who was killed in 1380, while defending Dendermonde .<br>
He was succeeded by his brother Guy.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
John I, Count of Ponthieu
John I of Ponthieu( – 1191) was the son of Guy II of Ponthieu and succeeded him as Count of Ponthieu in 1147.
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 the paternal grandmother of Guy Ii, Marquis Of Namur?
Answer: Isabelle of Luxembourg