| Officeholder of Alderman (London) (Office) : London |
| Father of Agnes wife of John de Suffolk |
| Son of Roger Duke |
| Son of Roger Duke |
| Fatherinlaw of John de Suffolk |
| Item | Date | Location | Role |
|---|---|---|---|
| Harley MS 4015 | 1190-01-01-1212-09-19 | London]] (87) | Witness |
| fol.483B no.2 | 1200-01-01-1200-01-01 | St Matthew]] (87) | Witness |
| Cartulary of St Mary Clerkenwell | 1200-01-01-1200-01-01 | London]] (87) | Witness |
| HC/2/1 | 1210-01-01-1210-01-01 | All Hallows Bread Street]] (87) | Witness |
| HC/2/1 | 1223-01-01-1223-01-01 | St Christopher]] (87) | Witness |
| E 40/1954 | 1223-01-01-1225-12-31 | St Mary Abchurch]] (87) | Witness |
| HC/2/1 | 1227-01-01-1228-12-31 | St Margaret Lothbury]] (87) | Witness |
| E 372 | 1227-09-01-1228-09-30 | London]] (87) | Reference |
| HC/2/1 | 1243-01-01-1244-12-31 | St Mary-le-Bow (Arches)]] (87) | Witness |
| E 326/2026 | 1245-01-01-1245-01-01 | St Botolph Billingsgate]] (87) | Witness |
| HC/2/1 | 1247-01-01-1248-12-31 | All Hallows Barking]] (87) | Witness |
| E 326/2333 | 1250-01-01-1250-01-01 | London]] (87) | Witness |
| Harley MS 4015 | St Olaf Monkwell St (Crippleg, Silver St, St Mary)]] (87) | Witness |