

| Name | Biornsson, Sibyl | |
| Born | Abt 950 | Atholl, Perthshire (Scotland) |
| Gender | Female | |
| Died | Abt 1045 | Dunkeld, Perthshire (Scotland) |
| Person ID | I501061 | Coursey-Sansing Tree |
| Last Modified | 17 Nov 2020 | |
| Family | De Mormaer, Lord Duncan, b. Abt 949, Atholl, Perthshire (Scotland) | |||
| Children |
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| Last Modified | 17 Nov 2020 | |||
| Family ID | F500402 | Group Sheet | Family Chart | ||