title: Herbert IV, Count of Vermandois
text: # 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).
  
  ## Family and children
  
  Herbert married Adele of Valois, daughter of Ralph IV of Valois and Adele of Bar-sur-Aube. They had:
  
  * Adelaide, Countess of Vermandois, (b. Circa 1062 - d. September 23, 1120) - married first to Hugh Magnus, son of Henry I of France and younger brother of Philip I of France, and second to Renaud II, Count of Clermont-Beauvaisis.
  * Odo I, Count of Vermandois (b. circa 1064 - d. after 1085)
  * Gerard (b. 1066 - d. ?)
  
  Adelaide's husband, Hugh, inherited the countships of Vermandois and Valois upon Herbert's death.
  
  