Herbert IV, Count of Vermandois
Herbert IV of Vermandois( 1028–1080), Count of Vermandois, was the son of Otto of Vermandois and Parvie( Pavia or Patia).
Otto, Count of Vermandois
Otto( or Eudes) of Vermandois( or Vermicelli)( 29 August 979 – 25 May 1045), Count of Vermandois, was the son of Herbert III, Count of Vermandois and Ermengarde of Bar-sur- Seine.
He succeeded his brother, Adalbert II as count of Vermandois in 1015.
Otto donated property to Notre- Dame de Homblières by charter.
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.
Elisabeth, Countess of Vermandois
" Not to be confused with Elizabeth of Vermandois, Countess of Leicester" Elisabeth of Vermandois also known as Isabelle Mabile or Isabelle de Vermandois
( 1143 – Arras 28 March 1183) was ruling Countess of Vermandois from 1168 to 1182, and also Countess of Flanders by marriage to Philip I, Count of Flanders.
She was the eldest daughter of Ralph I, Count of Vermandois and his second spouse Petronilla of Aquitaine.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Adalbert I, Count of Vermandois
Adalbert I of Vermandois(" the Pious"), in 946 he succeeded his father as Count of Vermandois.
Liudolf of Vermandois
Liudolf of Vermandois (died before 9 November 986), son of Adalbert I, Count of Vermandois, and Gerberge of Lorraine.
Luidolf was appointed Bishop of Noyon in 979 after the death of his predecessor Hadulphe, as reported by Flodoard.
Lothair, King of West Francia, dedicated the monastery of Saint-Eloy de Noyon in Liudolf's memory.
Pepin III, Count of Vermandois
Pepin III, Count of Vermandois( also known as Pepin II, Count of Senlis; French:" Pépin")( c. 846 – 893) was a Frankish noble; the Count of Senlis and Count of Vermandois( 850 – 893); Lord of Valois( 877 – 886), and later Count of Valois( 886 – 893).
He was a son of Pepin, Count of Vermandois and Valois and thus a grandson of Bernard of Italy, who was himself a grandson of Charlemagne.
The brothers of Pepin III were Herbert I, Count of Vermandois and Bernard II, Count of Laon.
Pepin III of Vermandois's wife is unknown; their son was:
Herbert III, Count of Vermandois
Herbert III of Vermandois( 953–1015), Count of Vermandois, was the son of Adalbert I of Vermandois and Gerberge of Lorraine.
Gerberge of Lorraine
Gerberge of Lorraine (ca.
935-978) was the daughter of Giselbert, Duke of Lorraine, and Gerberga of Saxony, daughter of
Henry I the Fowler, King of Germany.
She was a descendant of Charlemagne through both her parents.
Gerberge died sometime after 7 September 978.
In or before 954, she married
Adalbert I of Vermandois.
Their children were:

Question: Who is the maternal grandmother of Liudolf Of Vermandois?
Answer: Gerberga of Saxony