Family: William Marshall, Earl / Isabel Fitzgilbert De Clare, Countess (F1373)
m. Aug 1189-
Father | Male
William Marshall, Earl
Born 1144/1146 , Pembroke, Pembrokeshire, Wales 
Christened 12 May 1146 Died 14 May 1219 Caversham Manor, England Buried May 1219 Round Chapel Of, London, Middlesex, England Married Aug 1189 London, Middlesex, England Father John "The Marshall" Fitzgilbert | F1439 Group Sheet Mother Sibilla (Sibyl) De Salisbury | F1439 Group Sheet
Mother | Female
Isabel Fitzgilbert De Clare, Countess
Born Abt 1172 , Pembroke, Pembrokeshire, Wales Died 1220 , Pembroke, Pembrokeshire, Wales Buried Tintern Abbey, Tintern, Monmouthshire, England Father Richard "Strongbow" Fitzgilbert Clare, Earl | F1440 Group Sheet Mother Eva (Aoife) Mcmurrough, Countess | F1440 Group Sheet
Child 2 | Female
Maud (Matilda) Marshall, Countess
Born Abt 1192 , Pembroke, Pembrokeshire, Wales Christened Sep 1201 Died 27 Mar 1248 Buried Tintern Abbey, Chapel Hill, Monmouthshire, England Spouse Hugh Le Bigod, [Earl of Norfolk | F1441 Married Bef 1207 Pembroke, Pembrokeshire, Wales Spouse William Plantagenet (War, [Earl Of Surrey] | F1442 Married 1225 Surrey, England Spouse Walter Dunstanville | F1443 Married
Child 3 | Female
Eve Marshall
Born Abt 1194 , Pembroke, Pembrokeshire, Wales Died Bef 1246 , England Buried Spouse William De Braose | F1444 Married 2 May 1230 , Pembroke, Pembrokeshire, Wales
Child 4 | Male
Gilbert Marshall, Earl
Born Abt 1196 , Pembroke, Pembrokeshire, Wales Christened 1203 , Pembrokeshire, Wales Died 27 Jun 1241 , Hertford, Hertfordshire, England Buried , London, Middlesex, England Spouse Marjory Princess Of Scotland | F1445 Married 1 Aug 1236 , Berwick, Sussex, England Spouse Mrs Gilbert Marshall | F1446 Married Not Married Spouse Margaret De Lamvallie | F1447 Married
Child 5 | Male
William Marshall, Earl
Born May 1198 , Pembroke, Pembrokeshire, Wales Died 11 Apr 1222 Sp Buried 15 Apr 1231 , London, Middlesex, England Spouse Alice De Betune | F1448 Married Abt 1214 , Pembroke, Pembrokeshire, Wales Spouse Eleanor Princess Of England | F1449 Married 23 Apr 1224
Child 6 | Male
Richard Marshall, Earl
Born Abt 1200 , Pembroke, Pembrokeshire, Wales Died 16 Apr 1234 Kilkenny, Castle, Kildare, Ireland Buried 17 Apr 1234 , Kilkenny, Kildare, Ireland Spouse Gervaise De Dinan (Dinant), [Countess of Pem | F1450 Married Abt 1222
Child 7 | Female
Joane Marshall
Born Abt 1202 , Pembroke, Pembrokeshire, Wales Died Abt 1234 Buried Spouse Warin Munchensy | F1451 Married Abt 1217 , Pembroke, Pembrokeshire, Wales
Child 8 | Male
Anselm Marshall, Earl
Born Abt 1204 , Pembroke, Pembrokeshire, Wales Died 22 Dec 1245 , Chepstow Buried Tinton Abbey Spouse Matilda (Maud) De Bohun, [Countess Pembro | F1452 Married , Pembroke, Pembrokeshire, Wales
Child 9 | Female
Isabel Marshall, [Countess Of Cor
Born , Pembrokeshire, Wales Christened Apr 1206 , St. David's, Pembrokeshire, Wales Died 16 Jan 1240 , Berkhamstead, Hertfordshire, England Buried , Beaulieu, Southampton, England Spouse Gilbert De Clare, Earl | F1325 Married 9 Oct 1217 , England Spouse Richard Prince Of England, [Earl Of Cornwal | F1372 Married 30 Mar 1231 , Fawley, Buckinghamshire, England
Child 10 | Male
Walter Marshall, Earl
Born Abt 1206 , Pembroke, Pembrokeshire, Wales Died 24 Nov 1245 Goodrich Castle, London, Middlesex, England Buried , Tintern, Abbey, England Spouse Margaret De Quincy, [Countess of Lin | F1453 Married 6 Jan 1242 , Pembroke, Pembrokeshire, Wales Spouse Margaret De Quincy | F1454 Married
Child 11 | Female
Sibyl Marshall
Born Pembroke, Pembrokeshire, Wales Christened 1209 , St. David's, Pembrokeshire, Wales Died 27 Apr 1245 Buried Spouse William Ferrers, [Earl Of Derby] | F1455 Married Bef 14 May 1219 , Pembroke, Pembrokeshire, Wales Spouse Walter Dunstanville | F1456 Married Spouse Ingeram Pratellis | F1457 Married