Marguerite was the daughter of Guillaume Brun du Peschin and Marguerite de la Maillade. The date and place of her birth have not been found.
Her husband was Guillaume Motier de la Fayette. They were married, but the date and place have not been found. Their four known children were Gilbert (c1400-1463), Barthélémy (?-?), Algaye dite Gilberte (?-1439) and Gilberte (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Pontgibaud |