Ilbert* De Lacy
Ilbert* is no longer alive.

 Unknown Emma*
Unknown is no longer alive.

 ILBERT (Baron de Pontfract) de LACIE
ILBERT (Baron de Pontfract) was born about 1045 in Pontrefact, Yorkshire, England.¹   He died about 1093.¹ 

 Walter* Lord De Lacy
He died in April 1085 in Buried at Cathedral, Gloucestershire, England.¹