| Children |
| | 1. Margaret Willison BYAS, b. 16 Oct 1808, Birsay  [Father: Birth] [Mother: Birth] |
| | 2. Isobel BYAS, b. 29 Apr 1810, Birsay [Father: Birth] [Mother: Birth] |
| | 3. Janet BYAS, b. 29 Mar 1812, Birsay [Father: Birth] [Mother: Birth] |
| | 4. Mary BYAS, b. 8 Jan 1815, Birsay [Father: Birth] [Mother: Birth] |
| | 5. James BYAS, b. 9 Mar 1817, Birsay [Father: Birth] [Mother: Birth] |
| | 6. Katharine BYAS, b. 16 Jan 1820, Birsay [Father: Birth] [Mother: Birth] |
| | 7. William BYAS, b. 3 Nov 1822, Birsay [Father: Birth] [Mother: Birth] |
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