| Father | Male William Marshall, [Earl] |
| Born | 1143 | Of, Pembroke, Pembrokeshire, Wales  |
| Christened | 5 May 1146 | |
| Died | 7 May 1219 | Caversham Manor, England |
| Buried | Apr 1219 | Round Chapel Of, London, Middlesex, England |
| Married | Jul 1189 | London, Middlesex, England |
| Father | John "The Marshall" Fitzgilbert | F6843 Group Sheet | |
| Mother | Sibilla (Sibyl) De Salisbury | F6843 Group Sheet | |
| Mother | Female Isabel De Clare, [Countess] |
| Born | Abt 1170 | Pembroke, Pembrokeshire, Pembrokeshire, Wales |
| Died | 1219 | , Pembroke, Pembrokeshire, Wales |
| Buried | Tintern Abbey, Tintern, Monmouthshire, England |
|
| Father | Richard (Strongbow) Fitzgilbert, [Earl of Pembrok | F6865 Group Sheet | |
| Mother | Aoife (Eve) McMurrough, [Countess] | F6865 Group Sheet | |
| Child 1 | Female > Maud "Matilda" Marshall, Countess |
| Born | Abt 1189 | Of, Pembroke, Pembrokeshire, Wales |
| Christened | Aug 1201 | |
| Died | 20 Mar 1248 | |
| Buried | Tintern Abbey, Chapel Hill, Monmouthshire, England |
|
| Spouse | Hugh Le Bigod, Earl of Norfolk | F6466 | |
| Married | Bef 1206 | Pembroke, Pembrokeshire, Wales, Wales |
| Spouse | William Plantagenet, Earl of Warenne | F6460 | |
| Married | 1224 | Surrey, England, England |
| Child 3 | Male Richard Marshall |
| Born | Abt 1193 | Of, Pembroke, Pembrokeshire, Wales |
| Died | 9 Apr 1234 | Kilkenny, Castle, Kildare, Ireland |
| Buried | 10 Apr 1234 | , Kilkenny, Kildare, Ireland |
| Spouse | Gervaise Le De Dinan | F6822 | |
| Married | ||
| Child 4 | Male Gilbert Marshall |
| Born | Abt 1195 | Of, Pembroke, Pembrokeshire, Wales |
| Christened | 1202 | , St. David's, Pembrokeshire, Wales |
| Died | 20 Jun 1241 | , Hertford, Hertfordshire, England |
| Buried | Temple Church, London, Middlesex, England |
|
| Spouse | Margaret De Lamvallie | F6828 | |
| Married | ||
| Child 5 | Male William Marshall |
| Born | Apr 1198 | Of, Normandy, France |
| Died | 30 Mar 1231 | Sp |
| Buried | 8 Apr 1231 | Temple Church, London, Middlesex, England |
| Spouse | Alice De Fortibus | F6820 | |
| Married | 1213 | |
| Spouse | Eleanor Princess Of England | F6824 | |
| Married | 16 Apr 1224 | |
| Child 6 | Female > Eve Marshall |
| Born | Abt 1197 | Pembroke, Pembrokeshire, Wales |
| Died | Bef 1245 | , England |
| Buried | ||
| Spouse | William De Braose | F26375 | |
| Married | 25 Apr 1230 | |
| Child 7 | Male Anselm Marshall |
| Born | Abt 1201 | Of, Pembroke, Pembrokeshire, Wales |
| Died | 15 Dec 1245 | , Chepstow |
| Buried | , Tinton Abbey |
|
| Spouse | Maud De Bohun | F6833 | |
| Married | ||
| Spouse | Maud De Bohun | F16459 | |
| Married | Of, Pembroke, Pembrokeshire, Wales |
|
| Child 8 | Female Joan Marshall |
| Born | Abt 1201 | Of, Pembroke, Pembrokeshire, Wales |
| Died | 1246 | |
| Buried | ||
| Spouse | Warine De De Monchensy | F6832 | |
| Married | ||
| Child 9 | Female > Isabel Marshall |
| Born | 1202 | Of, Pembroke, Pembrokeshire, Wales |
| Christened | Mar 1206 | , St. David's, Pembrokeshire, Wales |
| Died | 10 Jan 1239 | , Berkhamstead, Hertfordshire, England |
| Buried | , Beaulieu, Southampton, England |
|
| Spouse | Gilbert De Clare | F6826 | |
| Married | 2 Oct 1217 | England, England |
| Spouse | Richard Prince Of England | F6827 | |
| Married | 23 Mar 1231 | Fawley, Buckinghamshire, England |
| Child 10 | Male Walter Marshall |
| Born | Abt 1205 | Pembroke, Pmbrk, Pembrokeshire, Wales |
| Died | 17 Mar 1245 | Goodrich Castle, London, Middlesex, England |
| Buried | , Tintern, Abbey, England |
|
| Spouse | Margaret (Margery) De Quincey | F6831 | |
| Married | Abt 1241 | |
| Child 11 | Female > Sibyl Marshall |
| Born | 1208 | Of Pembroke, Pembrokeshire, Wales |
| Christened | 1208 | , St. David's, Pembrokeshire, Wales |
| Died | 20 Apr 1245 | |
| Buried | Strongbow |
|
| Spouse | Walter Dunstanville | F6839 | |
| Married | ||
| Spouse | Ingeram Pratellis | F6840 | |
| Married | ||
| Spouse | William Ferrers, Earl of Derby | F29580 | |
| Married | Bef 14 May 1219 | of, Pembroke, Pembrokeshire, Wales |