Marguerite was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Mathieu I de Rouvroy. They were married, but the date and place have not been found. Their only known child was Jean (c1335-1392).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dame de Saint-Simon |