Gauthier I D' OISY, Seigneur d'Avesnes, de Condé et de Leuze
- Born: Oizy, Namur, Belgium
- Married:
- Died: 1147
 Research Notes:
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". The late 13th century genealogy by Balduinus de Avennis records that "nepos suus ex sorore Walterus cognomina Plukellus" succeeded "Goswinus de Oysiaco, castellanus Cameracensis".
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". 1
Marriage Information:
Gauthier married Ida DE MORTAGNE, daughter of Châtelain Everard II Radoul DE TOURNAI, Seigneur de Mortagne, and Richilde DE HAINAUT. |
