Member Information
| Full Name | ♀️ Elizabeth Marshall De Ferrers -  |
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| Birth | #1 | Date of Birth | 1240 |
| Place of Birth | Derby, Derbyshire, England | ||
| Father | Sir William III Ferrers, 5th Earl of Derby | ||
| Mother | Margaret De Quincy | ||
| Siblings | ♀️ Agatha de Ferrers, ♀️ Joane de Ferrers, ♂️ Robert 6th Earl of Derby De Ferrers, ♀️ Joan Ferrers, ♂️ Sir William Constable of Scotland de Ferrers (Ferrers) | ||
| Spouse | #1 | Name | Dafydd ap Gruffydd |
| Children | ♀️ Gwladys ferch Dafydd, ♂️ Owain ap Dafydd, ♂️ Llewelyn ap Dafydd | ||
| Death | #1 | Date of death | JUN 1297 |
| Place of death | North Wales | ||