Herbert IV, Count of Vermandois
Herbert IV of Vermandois (1028–1080), Count of Vermandois, was the son of Otto of Vermandois and Pavia (or Patia).
He married Adele of Valois, daughter of Ralph IV of Valois and Adele de Bar-sur-Aube, and had two children:
Eudes inherited the countships of Vermandois and Valois upon his father's death.
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