1209 - 1245 (36 years)| Name | Sibyl Marshall [1] | |
| Birth | 1209 | Pembroke, Pembrokeshire, Wales  |
| Gender | Female | |
| Kinfolk of Note | Direct Ancestor of Cecil Lamar Moon | |
| Death | 27 Apr 1245 | Pembroke, Pembrokeshire, Wales |
| Person ID | I7825 | A Tree Called Smith |
| Last Modified | 21 Jul 2025 | |
| Father | 1st Earl of Pembroke William Marshall, the Elder, b. 12 May 1146, Pembrokeshire, Wales d. 14 May 1219, Caversham, Oxfordshire, England (Age 73 years) | |
| Relationship | natural | |
| Mother | 4th Countess of Pembroke Isabella de Clare, b. Feb 1172, Pembroke, Pembrokeshire, Wales d. 14 May 1220, Pembroke, Pembrokeshire, Wales (Age 48 years) | |
| Relationship | natural | |
| Marriage | Aug 1189 | Tower of London, London, England |
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Wedding of Isabel de Clare and William Marshall Tower of London |
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| Family ID | F2753 | Group Sheet | Family Chart |
| Family | 5th Earl of Derby Sir William de Ferrers, III, b. 1200, Derbyshire, England d. 24 Mar 1254, Evington, Leicestershire, England (Age 54 years) | |||
| Children |
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| Family ID | F5226 | Group Sheet | Family Chart | ||
| Last Modified | 21 Jul 2025 | |||
| Event Map |
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| Arms Icons & Insignia | | Arms-MARSHALL Marshall Coat of Arms |
| Sources |
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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.
