man Baudouin V Count of "@N18699@" Flanders‏‎, son of Baudouin IV "The Bearded" Count of "@N18704@" Flanders and Ogive of Luxembourg‏.
Born ‎ 1012 at Flanders, France, died ‎ Sep 1, 1067 at Lille, Nord, France‎, 54 or 55 years

Married ‎ 1028 at Eu, Seine-Inferieure, France (38 or 39 years married) to:

woman Adele (Aelis) Princess of France‏‎, daughter of Robert II "The Pious" King of France and Constance of "@N18705@" Provence‏.
Born ‎ 1009 at France, died ‎ Jan 8, 1078/79 at Monastere de L'O, Messines, France‎, approximately 69 years, 1st marriage to: Richard III Duke of Normandy, ‎2nd marriage to: Baudouin V Count of "@N18699@" Flanders

Children:

1.
man Baudouin VI Count (I of Hainault) of "@N18817@" Flanders‏
Born ‎ 1030 at Flanders now Belgium, died ‎ Jul 7, 1070 at Abbey of Hasnon, Belgium‎, 39 or 40 years
2.
woman Matilda (Maud) of Flanders‏
Born ‎ 1032 at Flanders, France, died ‎ Nov 3, 1083 at Caen, Calvados, France‎, 50 or 51 years, buried ‎ at Church of Holy Trinity, Caen

For many years it was assumed that Gundred, who married William de Warrene, was a daughter of William I and Matilda (as indicated in The Plantagenet Ancestry). However it is now known that Gundred was a daughter of Gherbod the Fleming (as indicated in Ancestral Roots). The following information strongly suggests that Gundred's mother was Matilda (thus the mistaken notion that she was daughter of William I).

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copied from Bill Crawford's ancestry: crawfolk data base on World Connect Project, rootsweb.com
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Had Matilda of Flanders as many husbands as Adelaide, Countess of Ponthieu, and, like her, issue by each? What was the real cause of the inhibition of her marriage with William, Duke of Normandy, - its delay for six years? What truth is there in the story of her unreturned affection for the Angio-Saxon Brihtric Meaw, and of her vindictive conduct to him after she became Queen of England? I have hesitated to believe in the popular tradition that Duke William grossly assaulted the daughter of Baldwin in the street or in her own chamber, not that I have any doubt about his being capable of such an outrage, but because he was too politic to commit it, and she was not the woman to have forgiven it, assuming that the offence was the simple refusal of his hand on the ground of his illegitimacy. It is obvious, however, that the early life of Matilda is involved in mystery, and it is highly probable that a clearer insight into it would enable us to account for much which we now reject as legend, or fail to reconcile with acknowledged facts. If there be any foundation for the story of William's brutality, the outburst of ungovernable fury might have been due to a much greater provocation than has been assigned for it. Brihtric, the son of Algar or Alfar, sumamed Meaw (Snow), from the extreme fairness of his complexion, an Anglo-Saxon Thegn, possessor of large domains in England, had been sent on an embassy from King Edward the Confessor to the Connt of Flanders. Matilda, we are told, fell desperately in love with him, and offered herself to him in marriage! Either disgusted by her forwardness, or preferring another, he declined the flattering proposal. "Hell hath no fury like a woman foiled," and she kept her wrath warm till she was in a position to ruin the man she had so passionately loved. She had no sooner become the Queen of England than she induced William to confiscate, on some pretence, all Brihtric's estates, and obtained the greater proportion for herself. The unfortunate Thegn was arrested at his house at Hanley, in Worcestershire, on the very day Saint Wulfstan had consecrated a chapel of his building, dragged to Winchester, and died in a dungeon! The truth of this story is supported by the impartial evidence of Domesday, in which Hanley and the principal manors held by Brihtric in the time of King Edward are recorded as the possessions of Queen Matilda, and the remainder passed to Fitz Hamon.

After her hand had been rejected by the noble Saxon, it is presumed she became the wife of a Fleming, named Gherbod, who appears to have held the hereditary office of Advocate of the Abbey of Saint Bertin, in St. Omers, and by whom she had at least two children, viz., Gherbod, to whom William gave the earldom of Chester, and Gundred, "the sister of Gherbod," and wife of William de Warren. Was this a clandestine or an informal marriage, which, as it has never been acknowledged by any chronicler, contemporary or other, might have been unknown to the Duke of Normandy, when he proposed to one whom he believed to be the maiden daughter of the Count of Flanders, and the corporal chastisement inflicted, however unworthy of a man, passed over, sub silentio, for prudential reasons, by the parties wlio had been guilty of a disgraceful suppression of facts? The subsequent marriage under such circumstances will awaken no surprise in any one who has studied the character of William. Utterly unscrupulous, destitute of every generous, noble, or delicate feeling, every action of his life was dictated by POLICY alone. An alliance with the Count of Flanders might be considered by the crafty schemer sufficiently advantageous to warrant his overlooking any objectionable antecedents in the conduct of a granddaughter of a king of France, his first discovery of which had provoked his savage nature into a momentary ebullition of fury. Her being the mother of two children was a point in her favour with a man whose sole motive for marrying was the perpetuation of a dynasty, and the fair prospect of legitimate issue, in whose veins the blood of the Capets should enrich that of the Furrier of Falaise, would overcome any hesitation at espousing the widow of an Advocate of St. Bertin. On the other hand, Count Baldwin would be too happy to embrace the opportunity of reinstating his daughter in a position befitting her birth, and, as well as the lady herself, gladly condone past insults for future advantages and the hope of smothering, in the splendour of a ducal wedding, the awkward whispers of scandal.

I have said thus much simply to show the view that may be taken of these mysterious circumstances, in opposition to the rose-coloured representations of some modern historians, who, upon no stronger evidence, elevate the Conqueror into a model husband, and describe Matilda as the perfection of womankind.
3.
man Robert I le Frison Count of Flanders‏
Born ‎± 1035 at Flanders now Belgium, died ‎ Oct 13, 1093 at Kassel, Germany‎, approximately 58 years