| Father | Male Duncan, Simeon |
| Born | Abt 1712 | Billerica, Middlesex, Massachusetts |
| Died | DECEASED | |
| Buried | ||
| Married | 22 Aug 1743 | |
| Father | ||
| Mother | ||
| Mother | Female Richardson, Bridget |
| Born | 29 Nov 1725 | Billercia, Middlesex, Massachusetts |
| Died | 4 Apr 1807 | Newfane, Windham, Vermont, United States, United States |
| Buried | ||
| Father | Richardson,, Joseph III | F6512 Group Sheet | |
| Mother | Nelson, Hannah | F6512 Group Sheet | |
| Child 1 | Male Duncan, Johnathan |
| Born | 13 Jan 1744 | Worcester, Worcester, Massachusetts, United States |
| Died | 1773 | |
| Buried |
| Child 2 | Male Duncan, Jonas |
| Born | 13 Jan 1745 | Worchester, Middlesex, Massachusetts |
| Died | 3 Aug 1773 | Massachusetts |
| Buried |
| Child 3 | Male Duncan, Samuel |
| Born | 9 Jan 1747 | Worchester, , Massachusetts |
| Died | 28 Jul 1820 | Townshend, Windham, Vermont, United States |
| Buried | Wordsboro, Windham, Vermont, United States |
|
| Spouse | Chaot, Patience | F9515 | |
| Married | ||
| Spouse | Stearns, Betsey | F9516 | |
| Married | 13 Oct 1772 | Worcester, Worcester, Massachusetts |
| Child 4 | Male Duncan, Jason |
| Born | 10 Jan 1750 | Shrewsbury, Worcester, Massaschusetts |
| Died | 15 Dec 1839 | Dummerston, Windham, Vermont, United States |
| Buried | Dummerston Center Cemetery, Dummerston, Vermont, United States |
| Child 7 | Female Duncan, Joanna |
| Born | 8 Feb 1757 | of, Worcester, Massachusetts, United States |
| Died | 13 Aug 1834 | Jamestown, New York |
| Buried |