Wautier I De Avesnes De Oisy
Wautier I was born in 1090 in Beausais, France.  He died at the age of 57 in 1147 in Beausais, France.  He was buried in 1147 in Beausais, France.

 Ida De Doornik
Ida was born about 1076.

 Petroinille De Avesnes
Petroinille was born about 1090 in Avesnes, France.