Sybil was born in 1101, the daughter of unknown parents. The place is not known.
Her husband was Robert I FitzHarold d'Ewyas. They were married, but the date and place have not been found. Their only known child was Robert II (c1125-1198).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1101 |
|