Blanche was born about 1265, the daughter of unknown parents. The place is not known.
Her husband was Pierre I de Brosse, who she married in 1301. The place has not been found. Their only known child was Louis I (c1304-1356).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1265 |
|