| b 1239, Of, Norfolk, Norfolk, England | Hugh Bigod | > | 61 03 Feb 1950, !& | Roger Bigod, Earl of Norfolk | Julianna De Vere | > |
| Hugh Le Bigod, Earl of Norfolk | b 1150 | Hamelin Plantagenet | > | |
| | b 1186 | Ida (Isabel) Plantagenet, Countess | Isabel De Warenne | > | |
| Ralph Bigod, Sir Knight | d Feb1224 | b 1154 | John 'The_Marshall' Fitzgilbert, [The Marshall] | > |
| |b 1208 | | | William Marshall, [Earl] | Sibilla (Sibyl) De Salisbury | > |
| | | Maud 'Matilda' Marshall, Countess | b 1144 | Richard (Strongbow) Fitzgilbert, [Earl of Pembrok | > |
| | | b 1190 | Isabel De Clare, [Countess] | Aoife (Eve) McMurrough, [Countess] | > |
| Isabell Bigod | d 27 Mar 1248 | b 1171 | ||
| |Gilbert De Lacy, Lord of M-2 + | | | Thomas Furnival | ||
| | | |b 1185 | |||
| Bertha Furnival | ||||
| b 1222 | | | |||
| Maud Mrs Furnival | ||||
| b 1185 | ||||