Janet was born about 1285 in Balfour, Fifeshire, Scotland, the daughter of unknown parents.
She died in Balfour, Fifeshire, Scotland. The date is not known.
Her husband was sir Robert de Béthune. They were married, but the date and place have not been found. Their only known child was John (c1310-?).
| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1285 |
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| Death |
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