| Name | Margaret De Clare | |
| Gender | Female | |
| Person ID | I1124 | A Demo Tree |
| Last Modified | 10 Apr 2023 | |
| Father | Gilbert De Clare | |
| Relationship | natural | |
| Mother | Joan Plantagenet | |
| Relationship | natural | |
| Family ID | F510 | Group Sheet | Family Chart |
| Family | Piers De Gaveston | |||
| Children |
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| Family ID | F610 | Group Sheet | Family Chart | ||
| Last Modified | 10 Apr 2023 | |||
