| Father | Joseph Curd Duncan (b. 17 August 1789, d. 22 January 1868) |
| Mother | Nancy Maddox (b. 14 October 1789, d. 5 June 1860) |
| Son | Richard Monroe Duncan+ (b. 25 August 1859, d. 26 December 1914) |
| Pedigree Chart | |
| Included in charts - lists | Descendants of Nathaniel Lancaster b. ca 1734 |
| Relationship | 2nd cousin 4 times removed of Charles Ryland ("Ryland") Scott 2nd cousin 6 times removed of Isaac Silas Vaughn 2nd cousin 6 times removed of Katherine Gilstrap Scott 2nd cousin 6 times removed of Joseph Ryland Scott 2nd cousin 6 times removed of Charles Parker ("Parker") Scott 2nd cousin 6 times removed of Orly Marie Vaughn 2nd cousin 6 times removed of Avital Catherine Vaughn |
| Birth | 26 February 1816 | Frederick Winthrop Duncan was born on 26 February 1816 in Prince Edward, Virginia, United StatesBGO. |
| Burial | January 1881 | He was buried in January 1881 in Eoff Cemetery, Salem, Marion, Oregon, United StatesBG. |
| Death | 14 January 1881 | He died on 14 January 1881 at age 64 in Salem, Marion, Oregon, United StatesBG. |
| Last Edited | 7 June 2024 |