
| 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 GRANDI | |
| 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 | |
| John Grandison | |
| B: | 1299 |
| Of, Ashperton, Herefordshire, England | |
| Katherine De Grandison, [Cntss Salisbury | |
| B: | Abt 1304 |
| , Ashford, Hertfordshire, England | |
| D: | 23 Nov 1349 |
| , Bisham, Berkshire, England | |
| William De Montagu (Montacu, [EARL OF SALISBU | |
| B: | 1302/1303 |
| , Cassington, Oxfordshire, England | |
| M: | 1327 |
| Of, Cassington, Oxfordshire, England | |
| D: | 30 Jan 1343/1344 |
| , Windsor Castle, Berkshire, England | |
| William De Grandison, [Sir Knight] | |
| B: | Abt 1255/1264 |
| Of, Cassington, Oxfordshire, England | |
| D: | 27 Jun 1335 |
| Sybil Tregoz | |
| B: | 1271 |
| , EWYAS, Herefordshire, England | |
| M: | Abt 1285/1286 |
| Of, Donyatt, Somersetshire, England | |
| D: | 12 Oct 1334 |
| Pierre I Sire Grandson | |
| B: | Abt 1190 |
| , NEUCHATEL, Ne, Switzerland | |
| Agnes De Neuchatel | |
| B: | Abt 1194 |
| , NEUCHATEL, Ne, Switzerland | |
|
| Beatrix De Geneva | |
| B: | Abt 1154 |
| , Geneva, Geneva, Switzerland | |
| D: | Aft 1235 |
| Ebal Iv Sire Grandson | |
| B: | Abt 1154 |
| , GRANDSON, Waadt, Switzerland | |