Thomasse was born about 1310, the daughter of Perrin le Blanc de la Roberie and Mahaud de Mainbiez. The place is not known.
She died before 1406 in Brissarthe.
Her husband was Bertrand du Guesclin. They were married, but the date and place have not been found. Their only known child was Olivier (?-<1397).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1310 |
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| Death | BEF 1406 |
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