| Children |
| | 1. Jean SINCLAIR, b. Abt 1370, Orkney Islands, Scotland d. 1406, Scotland (Age 36 years) |
| | 2. Henry II SINCLAIR, 2nd Earl of Orkney, b. Abt 1375, Orkney Islands, Scotland d. 1 Feb 1420, Roslynn, Midlothian, Scotland (Age 45 years) |
| | 3. Elizabeth SINCLAIR, b. Abt 1376, Orkney Islands, Scotland d. 1460, Perth, Perthshire, Scotland (Age 84 years) |
| | 4. John SINCLAIR, b. Abt 1378, Orkney Islands, Scotland d. 1 Feb 1420, Scotland (Age 42 years) |
| | 5. Beatrix SINCLAIR, b. Abt 1380, Orkney Islands, Scotland d. 1463 (Age 83 years) |
| | 6. Mary SINCLAIR, b. Abt 1382, Roslin Castle, Midlothian, Scotland d. Weem, Perthshire, Scotland  |
| | 7. Helen SINCLAIR, b. Abt 1385, Roslin Castle, Midlothian, Scotland d. Yes, date unknown |
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