Sibyl was the daughter of unknown parents. The date and place of her birth have not been found.
She died in 1212. The place is not known.
She had three marriages/partners. Her first husband was Guillaume II, who she married in ABT 1166. The place has not been found. They had no known children.
Her second husband was Robert de Helmsley de Ros, who she married in ABT 1166. The place has not been found. They had no known children.
Her third husband was Ralph d'Aubigny, who she married in ABT 1182. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1212 |
|