Herbert IV, Count of Vermandois
# 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.

