| Children |
| | 1. William DUNCAN, b. 10 Jan 1659, Perth, Perthshire, Scotland d. 1720, Culpepper, Culpepper, Virginia (Age 60 years) |
| | 2. George DUNCAN, b. Abt 1660, Of Londonderry, Rockingham, New Hampshire, USA d. Yes, date unknown |
| | 3. Charles DUNCAN, b. 6 Sep 1662, Gleneagles, Perthshire, Scotland d. Abt 1720, Belle Haven, Alexandria, Virginia, United States (Age 57 years) |
| | 4. DUNCAN, b. 1663, Perth, Perthshire, Scotland d. Yes, date unknown |
| | 5. HENRY DUNCAN, b. 14 Jan 1663, Scotland d. 1664 (Age 0 years) |
| | 6. Thomas DUNCAN, b. 28 Jan 1664, Perthshire, Scotland d. Neck District, Dorchester, Maryland, United States  |
| | 7. Susan DUNCAN, b. 28 Jan 1665, Gleneagles, Perthshire, Scotland d. WFT EST. -1761 (Age 95 years) |
| | 8. Alexander DUNCAN, b. 1667, Perth, Perthshire, Scotland d. Yes, date unknown |
| | 9. Mary DUNCAN, b. 1 Feb 1667, Glasgow, Lanarkshire, Scotland d. Noethern Neck, Westmoreland, Virginia, United States  |
|