Source: S00183 Author: Roberts, Gary Boyd Selected and Introduced by Title: ENGLISH ORIGINS OF NEW ENGLAND FAMILIES Publication: Name: From NEHGS Register Three Volumes. Genealogical Publishing Co., Inc. 1984.
EUDES, son of HERIBERT [IV] Comte de Vermandois & his wife Ermengardis --- (985/90-25 May 1045). succeeded as Comte de Vermandois. "Comes Heribertus" names "materque mea Pavia…pater meus Otto, eius genitrix, avia mea Ermengardis" donated property to Notre-Dame de Homblières by charter dated 13 Jan/13 Oct 1045. The necrology of the abbey of Saint-Denis records death "VIII Kal Jun" of "Otto comes".
succeeded father 1045 as Comte de Vermandois. succeeded as Comte de Valois 1077 by right of wife. m (1059 or before) ADELAIS de Valois, daughter of RAOUL [III] Comte de Valois, de Crépy et de Vitry & his first wife Aelis de Bar-sur-Aube (-aft 1077). Chronicle of Alberic de Trois-Fontaines names "Symonem et filiam…Adala" children of "comitis Veromandie [error for Valois] Rodolfi" and his wife Adela. The primary source which confirms her marriage has not yet been identified. Ctss de Valois. "Herbertus Vermandensium et Vadascorum comes" donated property to the church of Saint-Quentin and others, with the consent of "Alide coniugis meæ", by charter dated 1059 (date unlikely to be correct, considering that Héribert did not succeed as Comte de Valois until 1077). Comte Héribert [VI] & his wife had two children
1) EUDES “l’Insensé” (-aft 1085).
disinherited by his father. m HADWIG
SEIGNEURS de SAINT-SIMON. descent of family of Saint-Simon from Eudes "l'Insensé" de Vermandois fabricated in 17th century to flatter Claude Rouvroy de Saint-Simon, favorite of Louis XIII of France. On basis of this, senior branch of family of Rouvroy adopted name "Saint-Simon de Vermandois".
2) ADELAIS de Vermandois (1065-28 Sep 1120/24). m. Hugoni le Magne; m.2 comes Rainaldus de Claromonte. Issue: dau. m. Charles Count of Flanders.
succeeded her father in  as Ctss de Vermandois, de Valois et de Crépy. m firstly () HUGUES de France, son of HENRI King of France & his second wife Anna Iaroslavna of Kiev (1057-Tarsus in Cilicia 18 Oct 1102, bur Tarsus church of St Paul). Comte de Vermandois et de Valois by right of his wife. Leader of the French contingent in the First Crusade Aug 1096 returning to France after the victory of Antioch 1098 to raise another army. He set out again Mar 1101 but died from wounds received fighting the Greeks at Tarsus in Cilicia. m secondly (1103) as his first wife, RENAUD de Clermont, son of HUGUES de Clermont [en-Beauvaisis] dit de Mouchy & wife Marguerite de Roucy [Montdidier] (d. before 1162). He took the title Comte after his marriage