| KnownEstates. | Date | Acreage | Value | Rents | Fees | Reference |
| Great Dunmow | 1263 | Serjeanty | C.I.P.M. I. 573 | |||
| 1296 | 16 | FF.ii. 85. 641 | ||||
| 1315 | 309 | 200s | 89s. | Serjeanty | I.P.M. C.134.35.18. | |
| Total in Essex: | 1315 | 309 | 200s | 89s. | ||
| Possible Total in Essex | 325 | 200s | 89s. |
| Disposals: | ||
| 1291 | Rights in manor of Rawreth released. | C.C.R. 195. |
| Acquisitions: | ||
| 1296 | 16 acres in Gt. Dunmow. for 10. | FF.ii.85.641 |
| Antecedents: | ||
| Probably a London merchant. G.A. Williams, Medieval London from Commune to Capital. p.70 | Cal.Chart.Rolls., i, 250. |