Boson III De Perigord
Boson III was born about 1000.  He died after 1072.

 Amelia (Aina) De Montignac
Amelia (Aina) was born in 0990.  She died at the age of 82 in 1072.

 Adalbert II Cadoirac De Perigord
Adalbert II Cadoirac was born about 1032.  He died about 1104.