Nicolas "Plukiel" D'Avesnes
Nicolas "Plukiel" was born about 1130 in Oisy, Namur, Belgium.  He died in 1170.

 Countess de la Roche Mathilde
Countess de la Roche was born about 1133 in La Roche-en-Ardennes, Luxembourg, Belgium.

 Jacques D'Avesnes
Jacques was born about 1155 in Avesnes, Pas-de-Calais, France.  He died on September 7th, 1191 in Nr, Arsoef, Palestine.

 Ida D'Avesnes
Ida was born about 1157.

 Fastré D'Avesnes
Fastré was born about 1159.

 Mathilde D'Avesnes
Mathilde was born about 1161.

 Radulph D'Avesnes
Radulph was born about 1163.