Family: 1st Earl of Cornwall Piers Gaveston / Countess of Cornwall Margaret de Clare (F1355)
m. Oct 1307Drag or scroll to see more of the chart.
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![]() | 7th Earl of Gloucester Lord Gilbert de Clare, IV![]() ![]() |
![]() | Princess of England Joan of Acre Plantagenet![]() ![]() |
![]() | suo jure 6th Lady of Glamorgan Eleanor de Clare![]() ![]() |
![]() | Elizabeth de Clare![]() ![]() |
![]() | 1st Earl of Cornwall Piers Gaveston![]() |
![]() | Countess of Cornwall Margaret de Clare![]() ![]() |
![other spouses Other spouses](img/tng_more.gif)