1080 - 
| Margaret de la Mare 1150-1177 |
| Margaret de la Mare | |
| B: | 1150 |
| Childrey, Berkshire, England | |
| D: | 1177 |
| Lewes, Sussex, England | |
 | Symon Sidney 1145-1213 |
| Symon Sidney | |
| B: | 1145 |
| Suffolk, England | |
| M: | Abt 1169 |
| Lewes, Sussex, England | |
| D: | 1213 |
| England | |
| Thomas de la Mare 1116-1178 |
| Thomas de la Mare | |
| B: | 20 Nov 1116 |
| Yorkshire, England | |
| D: | 1178 |
| Epsom, Surrey, England | |
 | Margaret de Ashstead 1125-1152 |
| Margaret de Ashstead | |
| B: | 1125 |
| Epsom, Surrey, England | |
| M: | 1139 |
| Yorkshire, England | |
| D: | 1152 |
| Epsom, Surrey, England | |
| William de la Mare 1095-1140 |
| William de la Mare | |
| B: | 1095 |
| Guisborough, Yorkshire, England | |
| D: | 1140 |
| Yorkshire, England | |
| Amabel de Dicton 1098- |
| Amabel de Dicton | |
| B: | 1098 |
| Yorkshire, England | |
| M: | 1121 |
| D: | Yorkshire, England |
| Beatrice de la Mare 1080- |
| Beatrice de la Mare | |
| B: | 1080 |
| Yorkshire, England | |
| D: | England |
| Alan de la Mare 1070-1120 |
| Alan de la Mare | |
| B: | 1070 |
| Yorkshire, England | |
| D: | 1120 |
| Yorkshire, 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.
