| Sir William ( 3rd Baron Montacute, 1st Earl of Salisbury, and King of Mann) De Montagu | |
| B: | 1301 |
| Salisbury, Wiltshire, England | |
| D: | 30 Jan 1334 |
| killed at tournament windsor Berkshire, England | |
| Katherine DeGrandison (maid. name 1) |
| Katherine DeGrandison (maid. name 1) | |
| B: | 1302 |
| Bisham, Berks., England | |
| M: | 1327 |
| Cassington, Oxfordshire, England | |
| D: | 23 Apr 1349 |
| Bisham, Berkshire, England | |
| William III, (2nd Baron of Salisbury,) DeMontagu (maid. name 1) | |
| B: | 1265 |
| Cassington, Oxfordshire, England | |
| D: | 18 Oct 1320 |
| Gascony, Nce, France | |
| ELIZABETH Baroness De MONTFORT (maid. name 1) | |
| B: | 1273 |
| Beaudesert, Warwickshire, England | |
| M: | 1300 |
| D: | Aug 1345 |
| St Frideswide (now Christ Church), Oxfordshire, Eng | |
| Sir Simon ( 1st Baron Montague) DeMontagu | |
| B: | 1235 |
| or Yardlington, Somerset, England | |
| D: | 26 Sep 1316 |
| Yardlington, Somerset, England | |
| Hawise StAmand |
| Hawise StAmand | |
| B: | 1243 |
| 1675188, Somerset, England | |
| D: | 1287 |
| 1674569, Somerset, England | |
| Berthe Beota Heiress West Lulworth |
| Berthe Beota Heiress West Lulworth | |
| B: | 1215 |
| Salisbury, Wiltshire, England | |
| D: | 1250 |
| Somerset, England | |
| William DeMontagu |
| William DeMontagu | |
| B: | 1213 |
| Montague, Somerset, England | |
| M: | 1250 |
| Montacute, Somerset, England | |
| D: | 23 Sep 1270 |
| Somerset, England | |