| Officeholder of Sheriff (London) (Office) : London |
| Father of John de Oystergate |
| Husband of Alice wife of Henry de |
| Item | Date | Location | Role |
|---|---|---|---|
| DL 25/130 | 1231-01-01-1241-12-31 | London]] (87) | Witness |
| CLA/007/EM/04/001 | 1232-01-01-1258-12-31 | London]] (87) | Witness |
| CLA/007/EM/02/A/073 | 1237-09-21-1238-09-20 | London]] (87) | Witness |
| CLA/007/EM/02/B/040 | 1240-01-01-1256-12-31 | St Magnus the Martyr]] (87) | Witness |
| CLA/007/EM/02/C/012 | 1243-06-01-1243-06-01 | Outside London (Undefined)]] (99) | Witness |
| CLA/007/EM/02/E/040 | 1245-01-01-1256-12-31 | St Magnus the Martyr]] (87) | Witness |
| Harley MS 4015 | 1246-01-01-1246-12-31 | St Magnus the Martyr]] (87) | Witness |
| E 40/7289 | 1247-01-01-1248-12-31 | London]] (87) | Witness |
| CLA/007/EM/02/B/092 | 1248-09-21-1249-09-20 | London]] (87) | Witness |
| E 42/38 | 1254-01-01-1255-12-31 | St Michael Bassishaw]] (87) | Witness |
| HC/2/1 | 1255-01-01-1255-01-01 | St Swithin]] (87) | Witness |
| Holy Trinity Aldgt Chart | 1255-01-01-1255-01-01 | St Sepulchre (Newgate/ St Edmund without Newgate)]] (87) | Witness |
| Holy Trinity Aldgt Chart | 1255-01-01-1255-01-01 | St Michael Cornhill]] (87) | Witness |
| Harley MS 4015 | 1255-01-01-1255-12-31 | St Nicholas Shambles (Aldred)]] (87) | Witness |
| E 40/2132 | 1255-01-01-1256-12-31 | St Leonard Eastcheap]] (87) | Witness |
| CLC/313/L/H/001/MS25121/369 | 1255-02-01-1255-02-01 | St Michael Cornhill]] (87) | Witness |
| E 40/7837 | 1255-02-01-1255-09-30 | St Leonard Eastcheap]] (87) | Witness |
| E 40/2401 | 1255-02-15-1255-09-30 | St Olaf towards the Tower (Hart St)]] (87) | Witness |
| CLA/007/EM/02/B/039 | 1255-09-21-1256-09-20 | St Leonard Eastcheap]] (87) | Grantee |
| CLA/007/EM/02/A/039 | 1255-09-21-1256-09-20 | Outside London (Undefined)]] (99) | Grantor |
| CLC/313/L/H/001/MS25121/368 | 1255-09-21-1256-09-20 | St Michael Cornhill]] (87) | Witness |
| Harley MS 4015 | 1256-01-01-1257-12-31 | St Magnus the Martyr]] (87) | Witness |
| 1265-11-27-1265-11-27 | Undetermined]] (None) | Reference |