Odakar VI Le Grand De Boulogne
Odakar VI Le Grand was born in 0910.  He died at the age of 44 in 0954.

 Arnoul II Ou Ernicule Ier De Boulogne
Arnoul II Ou Ernicule Ier was born in 0930.  He died at the age of 42 in 0972.

 Baudouin Ier De Boulogne
Baudouin Ier was born about 0935.  He died before 0987.