1010 - 
| Lord of Rayleigh and Haughley Henry de Essex | |
| B: | 1121 |
| Rayleigh, Essex, England | |
| D: | 1170 |
| Reading, Berkshire, England | |
| Cicely de essex 1121- |
| Cicely de essex | |
| B: | 1121 |
| Lord Of Essex, Baron of Raleigh Sir Robert FitzSwein | |
| B: | 1080 |
| Rochford, Essex, England | |
| D: | 1133 |
| Suffolk, England | |
| Lady Gunnor le Bigod 1094-1150 |
| Lady Gunnor le Bigod | |
| B: | 1094 |
| Norfolk, England | |
| M: | 1110 |
| Rayleigh, Essex, England | |
| D: | 1150 |
| Rayleigh, Essex, England | |
 | Swein FitzRobert Abt 1045-1086 |
| Swein FitzRobert | |
| B: | Abt 1045 |
| Essex, England | |
| D: | 1086 |
| England | |
| Beatrice fitzwimarch 1010- |
| Beatrice fitzwimarch | |
| B: | 1010 |
| Rayleigh, Essex, England | |
| D: | England |
| Robert FitzWimarch 1015-1067 |
| Robert FitzWimarch | |
| B: | 1015 |
| Moyaux, Calvados, Basse-Normandie, France | |
| M: | 1029 |
| Rayleigh, Essex, England | |
| D: | 1067 |
| Theydon Mount, Essex, England | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
