| Children |
| | 1. William DUNCAN, b. 23 Apr 1825, South Ronaldsay  [Father: Birth] [Mother: Birth] |
| | 2. Agnes Calder DUNCAN, b. 26 Apr 1830, South Ronaldsay [Father: Birth] [Mother: Birth] |
| | 3. James DUNCAN, b. 29 Apr 1832, South Ronaldsay [Father: Birth] [Mother: Birth] |
| | 4. John DUNCAN, b. 14 Sep 1836, South Ronaldsay [Father: Birth] [Mother: Birth] |
| | 5. Betsy DUNCAN, b. 1 Mar 1841, South Ronaldsay [Father: Birth] [Mother: Birth] |
| | 6. Sinclair DUNCAN, b. 1 Aug 1843, South Ronaldsay [Father: Birth] [Mother: Birth] |
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