| b 1379, | William Plantagenet, Earl of Warenne | > | John De Warenne, Earl of Surrey | Maud 'Matilda' Marshall, Countess | > |
| William De Warren_(Warenne), Earl of Surrey | b 1231 | Hugh X De Lusignan | > | |
| | b 1256 | Alice Lusignan | Isabella De Taillefer | > | |
| John Warren | d 12 Dec 1285 | b 1224 | Hugh De Vere, [Earl of Oxford] | > |
| |b 30 Jun 1347 | | | Robert Devere, Earl | Hawise De Quincy, Countess | > |
| | | Joan De Vere | b 1230 | Gilbert De Saunford | |
| | | b 1264 | Alica De Sanford | ||
| Joan Debasing | d 21 Nov 1293 | b 1231 | ||
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| Concubine | ||||
| b 1349 | | | |||