Seigneur Hervé DE MONTMORENCY et de Marly
(Abt 1047-1094)
(After 1058-Bef 1074)
Ives "le Clerc" DE BEAUMONT
(Abt 1073-1131)
Agnès DE BEAUMONT Dame de Conflans
(Abt 1073-Bef 1105)
Adeline (Helvide/Méchaine) DE MONTMORENCY


Family Links

Seigneur Guy DE GUISE

Adeline (Helvide/Méchaine) DE MONTMORENCY 1

  • Born: Montmorency, Val d'Oise, Ile-de-France, France

  Research Notes:

Her parentage and marriage are suggested by Orderic Vitalis who records that "Petrus…Manliæ" married "Adam, Burchardi de Montemorentii neptem et comitis Gisinarum filiam". Le Prévost assumes that "comitis Gisinarum" refers to the comte de Guines and states that "Ade fille de Manassès comte de Guines et d’Emme de Tancarville" married "en effet Pierre de Maule et mourut sans enfants avant son père". He cites no source which provides the basis for his statement, while conceding that he found no family relationship between the Montmorency and Guines families. No record has been found in other primary sources that Robert [Manassès] Comte de Guines had another daughter besides Sibylle [Rose] who married Henri Châtelain de Bourbourg... Duchesne also assumes that Guines is the correct interpretation, although, on the basis that "neptem" indicates niece, he suggests that the relationship was through a daughter of Hervé Seigneur de Montmorency (which appears difficult to sustain from a chronological point of view). However, it is possible that "Gisinarum" refers to "Guise" (which is normally referred to in primary sources in Latin as "Guisia" or "Guisciensis") and that the granddaughter of Bouchard [III] Seigneur de Montmorency (assuming that "neptem" in Orderic’s passage indicates grand-daughter, not niece) was the daughter of the seigneur de Guise. If this is correct, the chronology dictates that her father must have been Guy Seigneur de Guise. This proposed parentage is corroborated by Guy Seigneur de Guise naming his second son Bouchard, presumably after his father-in-law. "Bartholomeus…Laudunensis episcopus" noted that "Guidone de Guisia" donated property to the abbey of Femy, with the consent of "uxoris suæ Aeluidis", by charter dated Dec 1120. "Wido Lescheriensis…et Guisiensis" granted rights to the abbey of Saint-André du Câteau, for the souls of "meæ et coniugis meæ Adeluyæ", by undated charter, signed by "filiorum meorum Adam et Burgardi…" and later confirmed by the bishop of Laon by charter dated 1121 at the request of "Guido de Gusia rogatu uxoris suæ Adeluyæ et matris suæ Adæ" and with the consent of "filiis suis Adam et Burchardo". 2

  Marriage Information:

Adeline probably married Seigneur Guy DE GUISE, son of Seigneur Geoffroy DE GUISE and Ada DE RAMERUPT. (Guy DE GUISE was born between 1060 and 1080 in Guise, Aisne, Picardy, France and died after 1124.)


1 Premiers seigneurs de Guise, Picardie orientale, Vermandois, Thiérache, Etienne Pattou, 2007, pp. 2-3.

2 Foundation for Medieval Genealogy, Medlands: Adeline [Helvide/Méchaine].

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