
| Margaret de ST. JOHN | |
| B: | Abt 1325 |
| Of Plumpton, Northamptonshire, England | |
| D: | 1395 |
| Margery de ST. JOHN | |
| B: | Abt 1373 |
| Plumpton, Northampton, England | |
| D: | 1 Aug 1441 |
| Harwedon, Northampton, England | |
| William HARWEDON | |
| B: | Abt 1372 |
| of Harrowden, Northampton, England | |
| D: | 10 Dec 1434 |
| Harrowden, Northampton, England | |
| Gyles de ST. JOHN | |
| B: | 1330 |
| of Plumpton, Northampton, England | |
| D: | 1381 |
| of Plumpton, Northampton, England | |
| Margaret de LIONS | |
| B: | Abt 1340 |
| Warkworth, Northumberland, England | |
| M: | Abt 1360 |
| of Plumpton, Northampton, England | |
| D: | Yes, date unknown |
| William de ST. JOHN | |
| B: | Abt 1299 |
| Of Plumpton, Northamptonshire, England | |
| D: | 4 Jul 1331 |
| of Plumpton, Northampton, England | |
| Isabella de COMBMARTIN | |
| B: | Abt 1304 |
| Glamorganshire, Wales | |
| M: | Abt 1329 |
| of Plumpton, Northampton, England | |
| D: | 30 Apr 1401 |
| Elizabeth de ST. JOHN | |
| B: | Abt 1301 |
| of Plumpton, Nothamptonshire, England | |
| D: | Yes, date unknown |
| William de ST. JOHN | |
| B: | Abt 1280 |
| of Plumpton, Northamton, England | |
| D: | Aft 1315 |
| Ismania BAGOT | |
| B: | Abt 1290 |
| of Plumpton, Northampton, England | |
| M: | 1308 |
| D: | Yes, date unknown |