Cecilie was the daughter of William Herbert and Anne Devereux. The date and place of her birth have not been found.
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William Herbert |
William ap Thomas |
sir Thomas ap Gwyllym |
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Gwladys verch Dafydd Gam |
Dafydd ap Llewellyn ap Hywel |
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Gwladys verch Gwilym Crach |
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Anne Devereux |
sir Walter Devereux |
sir Walter Devereux |
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Elizabeth Maud Bromwich |
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Elizabeth Merbury |
sir John Merbury |
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Alice Pembridge |