
| Amadeus De GRANDSON | |
| B: | 1229 |
| , Neuchatel, Ne, Switzerland | |
| D: | 1300 |
| Piers (Peter) De GRANDISON, BARON GRANDISON | |
| B: | 1286 |
| Of, Ashperton, Herefordshire, England | |
| D: | 10 Aug 1358 |
| Sp | |
| Blanche De MORTIMER, BARONESS GRANDISON | |
| B: | Abt 1316 |
| Of, Wigmore, Herefordshire, England | |
| M: | Bef 10 Jun 1330 |
| Of, Wigmore, Herefordshire, England | |
| D: | 1347 |
| Agnes GRANDISON | |
| B: | Abt 1289 |
| , Bletsoe, Bedfordshire, England | |
| D: | 4 Dec 1348 |
| Mabilia De GRANDISON | |
| B: | Abt 1294 |
| Of, Ashperton, Herefordshire, England | |
| D: | Yes, date unknown |
| John GRANDISON | |
| B: | 1299 |
| Of, Ashperton, Herefordshire, England | |
| D: | Yes, date unknown |
| Katherine de GRANDISON | |
| B: | Abt 1304 |
| , Ashford, Hertfordshire, England | |
| D: | 23 Nov 1349 |
| , Bisham, Berkshire, England | |
| William de MONTAGU | |
| B: | 1302 OR 1303 |
| , Cassington, Oxfordshire, England | |
| M: | 1327 |
| Of, Cassington, Oxfordshire, England | |
| D: | 30 Jan 1343 OR 1344 |
| , Windsor Castle, Berkshire, England | |
| William de GRANDISON | |
| B: | Abt 1255 OR 1264 |
| Of, Cassington, Oxfordshire, England | |
| D: | 27 Jun 1335 |
| Sybil TREGOZ | |
| B: | 1271 |
| , Ewyas, Herefordshire, England | |
| M: | Abt 1285 OR 1286 |
| Of, Donyatt, Somersetshire, England | |
| D: | 12 Oct 1334 |
| Pierre I Sire De GRANDSON | |
| B: | Abt 1190 |
| , Neuchatel, Ne, Switzerland | |
| D: | BTW 29 Dec 1257-15 Jul 1259 |
| Agnes De NEUCHATEL | |
| B: | Abt 1194 |
| , Neuchatel, Ne, Switzerland | |
| D: | Yes, date unknown |
|
| Ebal IV Sire De GRANDSON | |
| B: | Abt 1154 |
| , Grandson, Waadt, Switzerland | |
| D: | Aft 26 Jan 1235 |
| Beatrix De GENEVA | |
| B: | Abt 1154 |
| , Geneva, Geneva, Switzerland | |
| D: | Aft 1235 |