Robert (of Cockerington & Grimoldby) De Yerburgh
- Yes, date unknown
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| William De Yerburgh | |
| D: | Yes, date unknown |
| Isabel Billing | |
| D: | Yes, date unknown |
| Richard (of Kelstern & Yarburgh) De Yerburgh | |
| D: | Yes, date unknown |
| John De Yerburgh | |
| D: | Yes, date unknown |
| William De Yerburgh | |
| D: | Yes, date unknown |
| Anguine | |
| D: | Yes, date unknown |
| Roger (of Cockerington) Yerburgh | |
| D: | Yes, date unknown |
| Richard (of Cockerington) Yerburgh | |
| B: | Bef 1437 |
| D: | Yes, date unknown |
| John (of Cockerington) De Yerburgh | |
| B: | Bef 1401 |
| D: | Yes, date unknown |
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| Robert (of Cockerington & Grimoldby) De Yerburgh | |
| D: | Yes, date unknown |
| Isobel Ewerby | |
| D: | Yes, date unknown |