Sir William de Avenel
Sir William was born in 1125 in Hadeen de Avenel, Derby, Eng.  Sir William is no longer alive.

 Avice de Avenel
Avice was born in 1155 in Hadden, Bakewell, Derby, Eng.  Avice is no longer alive.

 Elizabeth de Avenel
Elizabeth was born in 1160 in Hadden, Bakewell, Derby, Eng.  Elizabeth is no longer alive.