Arnoul (Eustace) De Picquigny
Arnoul (Eustace) was born in 1043 in Barnstaple,Devonshire,England.  He died at the age of 42 in 1085.

 Melisinde De Picquigny
Melisinde was born in 1070 in Picquigny,Picardy,France.¹   Melisinde is no longer alive.¹ 

 Arnoul De Picquigny
Arnoul was born in 1078.  Arnoul is no longer alive.