Comte Boso I De La Marche
He died in 0968.

 Countess Emma De Perigord
Emma was born about 0940 in Perigord.  Emma is no longer alive.

 Comte Adalbert I De La Marche Of Perigord
Adalbert I was born in 0940 in LA MARCHE,NORMANDY.¹   He died at the age of 55 in 0995 in Gencay.¹