Herbert IV, Count of Vermandois

Herbert IV of Vermandois (1028–1080) was Count of Vermandois. He was the son of Otto of Vermandois and Parvie (also known as Pavia or Patia).

Family and children

Herbert married Adele of Valois, daughter of Ralph IV of Valois and Adele of Bar-sur-Aube. They had the following children:

• Adelaide, Countess of Vermandois (c. 1062 – 23 September 1120), who married first Hugh Magnus, son of Henry I of France and younger brother of Philip I of France, and secondly Renaud II of Clermont-Beauvaisis
• Odo I, Count of Vermandois (c. 1064 – after 1085)
• Gerard (born 1066)

After Herbert's death in 1080, his son-in-law Hugh Magnus inherited the countships of Vermandois and Valois, strengthening Capetian influence in the region.

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