Nicolas "Plukiel" D' OISY, Seigneur d'Avesnes, de Condé et de Leuze
Ctse Mathilde DE LA ROCHE
Seigneur Bouchard DE GUISE
(-Aft 1161)
Seigneur Jacques D' AVESNES, de Leuze et de Condé
(Abt 1150-1191)
Adeline DE GUISE
(-Aft 1200)
Seigneur Bouchard IV D' AVESNES et d' Etroen
(Abt 1182-1244)


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Ctse Marguerite DE HAINAUT et de Flandres

Seigneur Bouchard IV D' AVESNES et d' Etroen

  • Born: Abt 1182, Oizy, Namur, Belgium
  • Married: Mar 1212
  • Died: 1244
  • Buried: Clairefontaine, Autelbas, Luxembourg, Belgium

  Research Notes:

The Genealogica Comitum Flandriæ Bertiniana names "Buchardi Avenennsis" as brother of "Galteri comitis Blesensis", specifying that he married "Margareta".

Seigneur d’Etroen. Bailli de Hainaut. Canon sof Saint Pierre at Lille. After his marriage, which was arranged by Philippe II King of France, he demanded a share of his late father-in-law's inheritance. After his sister-in-law Jeanne Ctss of Flanders complained to Pope Innocent III, the marriage was annulled by the Fourth Lateran Council of 1215 on the basis that Bouchard had previously taken holy orders. The couple remained together until Bouchard was captured by his sister-in-law in 1219. He was released two years later on condition that he separated from his wife. 1

  Marriage Information:

Bouchard married Ctse Marguerite DE HAINAUT et de Flandres, daughter of Cte Baudouin VI DE HAINAUT and Marie DE CHAMPAGNE, in Mar 1212. The marriage ended in divorce in 1221. (Marguerite DE HAINAUT was born on 2 Jun 1202 in Valenciennes, Hainault, France, died on 10 Feb 1279/80 and was buried in Flines-Laes-Mortagne, Nord, France.)


1 Foundation for Medieval Genealogy, Medlands: Bouchard d'Avesnes.

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