Isabel was born about 1405 in Bristol, Gloucestershire, England, the daughter of William Mark MacWilliam but her mother is unknown.
She died on 14 APR 1486. The place is not known.
Her husband was sir John Seymour, who she married in JUL 1424. The place has not been found. Their two known children were sir John (c1425-1464) and Margaret (c1428-?).
Isabel MacWilliam |
William Mark MacWilliam |
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Event | Date | Details | Source | Multimedia | Notes | ||
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Birth | ABT 1405 |
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Death | 14 APR 1486 |
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