She is married to Sir William de Ferrers,.
They got married before May 14, 1219 at 1st wife.Sources 2, 4
Child(ren):
He [William de Ferrers] married, 1stly, before 14 May 1219 Sibyl, sister and in her issue coheir of Walter, EARL OF PEMBROKE, and 3rd daughter of William (LE MARESCHAL), EARL OF PEMBROKE, by Isabel, suo jure Countess of Pembroke, daughter and eventually heir of Richard (FITZ GILBERT), EARL OF PEMBROKE. She died s.p.m. [Complete Peerage IV:196-8, XIV:250, (transcribed by Dave Utzinger)]
Sibyl Marshal | |||||||||||||||||||||||||||||||||||||||
< 1219 | |||||||||||||||||||||||||||||||||||||||
Sir William de Ferrers, |