Margaret de Beaumont
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- 1 Margaret de Beaumont [1]
- Saher IV de Quincy
- 2 Roger de Quincy [1.1]
- Helen of Galloway
- 3 Margaret de Quincy [1.1.1]
- William de Ferrers
- 4 Joan de Ferrers [1.1.1.1] b. Abt 1276
[ =>]
- 4 Joan de Ferrers [1.1.1.1]
- 3 Margaret de Quincy [1.1.1]
- 2 Roger de Quincy [1.1]