William De Grandmesnil
Abt 1115 - Yes, date unknownDrag or scroll to see more of the chart.
| Robert Quincy Abt 1172-1217 |
| Robert Quincy | |
| B: | Abt 1172 |
| Hampshire, England | |
| D: | 1217 |
| London, England | |
 | Hawise Kevelioc Abt 1180-Bef 1243 |
| Hawise Kevelioc | |
| B: | Abt 1180 |
| Cheshireshire, England | |
| M: | 1200 |
| D: | Bef 19 Feb 1243 |
| Middlesex, England | |
| Hawise De Quincy, Countess Of Oxford Abt 1190-1263 |
| Hawise De Quincy, Countess Of Oxford | |
| B: | Abt 1190 |
| Hampshire, England | |
| D: | 3 Feb 1263 |
| Essex, England | |
| Hugh De Vere, 4th Earl Of Oxford Abt 1184-Bef 1263 |
| Hugh De Vere, 4th Earl Of Oxford | |
| B: | Abt 1184 |
| Essex, England | |
| M: | 11 Feb 1222 |
| England | |
| D: | Bef 23 Dec 1263 |
| Essex, England | |
| Roger Quincy Abt 1195-1264 |
| Roger Quincy | |
| B: | Abt 1195 |
| New Hampshire, United States | |
| D: | 25 Apr 1264 |
| Northinghamshire, England | |
| Helen Canmore, Countess Of Galloway Abt 1196-Aft 1245 |
| Helen Canmore, Countess Of Galloway | |
| B: | Abt 1196 |
| Aryshire, Scotland | |
| M: | Abt 1217 |
| D: | Aft 21 Nov 1245 |
| New Hampshire, United States | |
| Mary De Quincy 1202-1258 |
| Mary De Quincy | |
| B: | 24 Dec 1202 |
| D: | 1258 |
| Hugh Le Despencer 1202-1238 |
| Hugh Le Despencer | |
| B: | 1202 |
| Rutlandshire, England | |
| M: | Abt 1217 |
| England | |
| D: | 23 Feb 1238 |
| Cheshireshire, England | |
| Margaret De Beaumont, Countess Of Winchester | |
| B: | 12 Aug 1154 |
| Leicestershire, England | |
| D: | 12 Jan 1235 |
| Northinghamshire, England | |
| Saer De Quincy, 1st Earl Of Winchester Abt 1155-1219 |
| Saer De Quincy, 1st Earl Of Winchester | |
| B: | Abt 1155 |
| Lancastershire, England | |
| M: | 1173 |
| Hampshire, England | |
| D: | 3 Nov 1219 |
| Egypt | |
| Simon Montfort Abt 1170-1218 |
| Simon Montfort | |
| B: | Abt 1170 |
| Île-De-France, France | |
| D: | 25 Jun 1218 |
| Midi-Pyrénées, France | |
| Alice Montmorency Abt 1176-1220 |
| Alice Montmorency | |
| B: | Abt 1176 |
| Île-De-France, France | |
| M: | 1190 |
| D: | 24 Feb 1220 |
| Île-De-France, France | |
| Amicia Beaumont Abt 1156-1215 |
| Amicia Beaumont | |
| B: | Abt 1156 |
| Leicestershire, England | |
| D: | 3 Sep 1215 |
| France | |
| Simon Montfort, Seigneur De Montfort-L'Amaury Abt 1148-Bef 1188 |
| Simon Montfort, Seigneur De Montfort-L'Amaury | |
| B: | Abt 1148 |
| Île-De-France, France | |
| M: | 1170 |
| D: | Bef 1188 |
| Île-De-France, France | |
| Petronilla Grandmesnil Abt 1135-1212 |
| Petronilla Grandmesnil | |
| B: | Abt 1135 |
| France | |
| D: | 1 Apr 1212 |
| Herefordshire, England | |
| Robert Beaumont, 3rd Earl Of Leicester 1135-1190 |
| Robert Beaumont, 3rd Earl Of Leicester | |
| B: | 1135 |
| France | |
| M: | 1159 |
| D: | 31 Aug 1190 |
| Albania | |
| William De Grandmesnil Abt 1115-Yes, date unknown |
| William De Grandmesnil | |
| B: | Abt 1115 |
| D: | Yes, date unknown |