Otto the Lunatic Carolingian de Vermandois was born on an unknown date to Herbert IV de Vermandois (1032-1080) and Adèle de Valois (c1052-c1096) and died after 1085 of unspecified causes. He married Hedwige of Saint-Simon (?-?) . Notable ancestors include Charlemagne (747-814). Ancestors are from France, Germany, Belgium.
Namesakes of Otto de Vermandois (?-aft1085)