I have Frances Barney ,Countess of Ouilly Barney married to M Sir Fulk I "Fouque De Aulnay" De Basset, 1st Baron Basset of Addlington , Companion to King William, Norman Knight.
I have added Lady Kudo De Pother, Baroness Basset as an alternate name as the birth dateand location is the same BIRTH 1010 • Basset, Lot-et-Garonne, Aquitaine, France
and the DEATH date is the almost the same only 7 years difference and the death locations is the same Death: 1060 • Abbey Addington, Berkshire, England
I cannot not find parents for either of these women.