Otto, Count of Vermandois

Otto (or Eudes) of Vermandois (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.

Family and children
He married Pavia (or Patia) (b. 990). Their children were:
 * 1) Herbert IV, Count of Vermandois.
 * 2) Eudes
 * 3) Peter