Herbert III of Omois
Herbert III d' Omois, Herbert the old( or Herbert III of Vermandois, 910 – 980/985) was count of Omois from 943 to his death.
He was the son of Herbert II, Count of Vermandois and Adela of France, daughter of King Robert I of France.
In 943 after his father died, he succeeded as count of Omois" and received the fortress of Château- Thierry as well as the abbey of Saint- Médard, Soissons."
In 951, in his late years, he was married to Eadgifu of Wessex, daughter of Edward the Elder, King of England, and widow of Charles the Simple King of West Francia.
After his death, King Lothair divided his estates between his nephews, Eudes I, Count of Blois and Herbert IV, Count of Troyes and Meaux.
Reginar IV, Count of Mons
Reginar IV, Count of Mons( c. 950–1013) was the son of Reginar III, Count of Hainaut.
Lambert I of Leuven was his brother.
Henry III, Count of Gorizia
Henry III, Count of Gorizia( 1263- 1323) was a member of the Meinhardiner dynasty.
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.
Herbert III, Count of Meaux
Herbert
the Younger (circa 950–995) was the Count of Troyes and Meaux.
He was the son of Robert of Vermandois and Adelaide Werra, daughter of Gilbert, Duke of Burgundy.
He belonged to the Herbertien dynasty, an illegitimate branch of the Carolingian dynasty.
He inherited his father's domains in 966 and those of his uncle, Herbert III of Omois, in 984.
He was a partisan and supporter of King Lothair and followed on his conquest of Upper Lorraine, after which he was guarded the captive Godfrey I of Verdun.
After the death of Lothair's heir, Louis V, in 987, Herbert sided with Odo I of Blois and backed Charles, Duke of Lower Lorraine, probably his brother-in-law.
Herbert's wife's name is unknown.
Gilbert of Meaux
Gilbert of Meaux( died 13 February 1015), later known as Saint Gilbert of Meaux, was originally from Vermandois.
He was the first canon in Saint- Quentin and then became bishop of Meaux.
Gilbert was the archdeacon of Bishop Archanrad, upon whose death he succeeded as bishop in 995.
Little is known of his episcopal acts, but he subscribed to a charter for the abbey of Saint- Denis and gave donations to several other monasteries in the Ile de France.
He appended his seal on a charter for the Abbey of St. Denis( 998 and 1008), on a charter from King Robert in favor of the abbey of St. Peter of Melun( 1005) and shared the property of the Church of Meaux between the bishop and his chapter.
In 1008 he took part in the council of Chelles.
He died on Feb. 13, 1015.
Several miracles were purported to have taken place at his tomb( he was buried in front of the high altar of Meaux Cathedral).
His relics were profaned by the Huguenots in 1562.
His feast is celebrated on February 13 in the dioceses of Soissons and Meaux.
Stephen I, Count of Troyes
Stephen I of Vermandois( died 1020) was the seventh Count of Meaux, in the Champagne region of modern -day France, after his father Herbert of Vermandois.
He died without issue.
The title of Count of Meaux passed to Odo II of Blois.
Herbert II, Count of Vermandois
Herbert II( died 23 February 943), Count of Vermandois, Count of Meaux, and Count of Soissons.
He was the first to exercise power over the territory that became the province of Champagne.
Adele of Meaux
Adele of Meaux( – c. 982) was a French noblewoman.
She was Countess of Chalon and later Countess of Anjou.
Adele was a daughter of Robert of Vermandois, Count of Meaux and Troyes, and Adelaide de Chalon.
Adele died in 982.
Robert of Vermandois
Robert of Vermandois  was Count of Meaux, succeeding his father, Herbert II, Count of Vermandois and his wife, Adele (Liégarde) of France.
He was married to Adelais (914–967) of Burgundy, daughter of Giselbert, Duke of Burgundy.
They had two children:

Question: Who is the paternal grandfather of Herbert Iii, Count Of Meaux?
Answer: Herbert II, Count of Vermandois