Sibyl Marshall
Birth:
of Pembroke, Pembrokeshire, Wales
Christening:
1209
St. David's, Pembrokeshire, Wales
Death:
27 Apr 1245
FCID:6414:20678
Parents
Father:
William Marshall, Earl of Pembroke
Mother:
Isabel Fitzgilbert de Clare, Countess of Pembroke
Marriage(s)

William Ferrers, Earl of Derby
md. Bef 14 May 1219
of Pembroke, Pembrokeshire, Wales
Children
1.
Living
2.
Living
3.
Living
4.
Sibyl de Ferrers
b. 1230
5.
Living
6.
Living
7.
Living
8.
Living

Walter Dunstanville
md.
Children

Ingeram Pratellis
md.
Children