Isabel married John, King of England on 29 Aug 1189 in Marlborough, Salisbury, Wiltshire, England. John (son of Henry II "Plantagenet", King of England and Eléonore Princess Of AQUITAINE, QUEEN OF ENGLAND) was born on 24 Dec 1166 in Kings Manor House, Oxford, Oxfordshire, England; died on 19 Oct 1216 in , Newark, Nottinghamshire, England; was buried in Cathedral, Worcester, Worcestershire, England. [Group Sheet] [Family Chart]

Isabel married Geoffrey De MANDEVILLE, Earl of Essex in Jan 1213 OR 1214 in Of, , Gloucestershire, England. Geoffrey (son of Geoffrey FITZPIERS, Earl of Essex and Beatrice De SAYE) was born about 1174 in Of, , Essex, England; died in 23 Feb 1215 OR 1216 in Sp, London, Middlesex, England; was buried in Trinity Priory A, London, Middlesex, England. [Group Sheet] [Family Chart]

Isabel married Hubert BURGH, EARL OF KENT about 1217 in Of, , Gloucestershire, England. [Group Sheet] [Family Chart]