Hij is getrouwd met Ida van Mortagne.
Zij zijn getrouwd
Kind(eren):
GAUTHIER [I] d'Oisy (-1147). The Liber de Restauratione Sancti Martini Tornacensis names "Galterum germani sui [=Gosceguinus] Fastradi filium", specifying that his paternal uncle appointed him as his successor, and that he succeeded in "castrum Avesniense totamque pene regionem illam que dicitur Bracbantus"[447]. The late 13th century genealogy by Balduinus de Avennis records that "nepos suus ex sorore Walterus cognomina Plukellus" succeeded "Goswinus de Oysiaco, castellanus Cameracensis"[448]. Seigneur d'Avesnes, de Condé et de Leuze 1127. A charter dated to [1145] records commitments by the abbot of Anchin to the inhabitants of Avesnes and names "Gozewinus Avesnensis castri dominus [et] uxore sua Agnete Walterus successor et nepos suus [et] uxore sua Ida et filio suo Teoderico"[449]. m IDA [de Mortagne, daughter of EVERARD [I] Radoul Châtelain de Tournai, Seigneur de Mortagne & his wife Richilde de Hainaut]. The Liber de Restauratione Sancti Martini Tornacensis names "Idam, filiam Everardi castellani Tornacensis" wife of "Gualterus"[450]. The chronology for her parentage as reported in the Liber is very tight. Her paternal grandmother must have been born in [1107] at the earliest, while Ida apparently gave birth to ten children by her marriage, before her husband died in 1147. It would make more sense if Ida was the sister, not daughter, of Everard [II], assuming that she was related to this family at all. A charter dated to [1145] records commitments by the abbot of Anchin to the inhabitants of Avesnes and names "Gozewinus Avesnensis castri dominus [et] uxore sua Agnete Walterus successor et nepos suus [et] uxore sua Ida et filio suo Teoderico"[451].
[447] Herimanni, Liber de Restauratione Sancti Martini Tornacensis 57, MGH SS XIV, p. 299.
[448] Balduinus de Avennis Genealogia, RHGF XIII, p. 560.
[449] Duvivier (1898), p. 300.
[450] Herimanni, Liber de Restauratione Sancti Martini Tornacensis 57, MGH SS XIV, p. 299.
[451] Duvivier (1898), p. 300.
Bron: http://fmg.ac/Projects/MedLands/HAINAUT.htm#_Toc280375844
Wouter I van Avesnes (ca. 1100 - 1147), de Schone, was een zoon van Fastraad II van Oisy. Hij was heer van Avesnes, Leuze en Condé. Wouter was gehuwd met Ida van Mortagne. Wouter was de eerste die zich van Avesnes noemde. Hij werd de vader van:
Diederik, gehuwd met Richildis, dochter van Boudewijn II van Henegouwen. Er zijn echter bronnen die suggereren dat Diederik voor 1106 is overleden. Dit is qua chronologie moeilijk in te passen in de generaties, behalve als hij als klein kind al is getrouwd en kort daarop is overleden. Dat verklaart dan ook waarom hij geen kinderen heeft.
Nicolaas
Ivo
Evrard, 1145 kanunnik te Doornik, 1150 aartsdeken van Doornik en Cambrai, 1173 bisschop van Doornik
Petronella (ovl. na 1174), gehuwd met Jan I van Petegem (ovl. voor 1154) en met Rogier van Landas
Goswin
Fastraad
en nog drie onbekende dochters.
Bron: Wikipedia
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