Gilbert Crispin I Count of Brionne
Gilbert Crispin I Count of was born in 0998.  He died at the age of 52 in 1050.

 Arlette Herleve de Falaise
Arlette Herleve de was born in 1003 in Falaise, Calvados, France.  She died at the age of 52 in 1055.

 Baldwin Fitz-Gilbert of Exeter
Baldwin Fitz-Gilbert of was born in 1039 in Exeter, Devonshire, England.  He died at the age of 51 in 1090.