Sara was born about 1255, the daughter of unknown parents. The place is not known.
Her husband was Robert III de Montigny. They were married, but the date and place have not been found. Their only known child was Eustache IV (c1275-1359).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1255 |
|