Joan was born after 1275 in Glamorgan castle, Gowerton, Glamorganshire, Cymru, the daughter of unknown parents.
She died on 06 JUN 1324 in Gressenhall, Norfolk, England.
Her husband was James de Bohun. They were married, but the date and place have not been found. Their only known child was John (1301-1367).
| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | AFT 1275 |
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| Death | 6 JUN 1324 |
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