Roger de Montgomery Earl of Shrewsbury( - 27 Jul 1094) Guy (I) Count of Ponthieu
Mabel de Belleme( - 2 Dec 1079)
m. bef 9 Sep 1087
Robert de Belleme Earl of Shrewsbury Agnes
b. ca 1054
d. aft 1130, Almost certainly Wareham castle, Dorset (imprisoned)
2nd but 1st surv. s. 3rd earl. Had Norman estates in 1094, then English in 1098.
d. aft 1100
1st dau. and co-heir. (Other co-heir was Matilda / Maud.)