| Name | John Duvall [1, 2, 3, 4, 5] | |
| Suffix | (listed as half brother) | |
| Birth | 1774 | Montgomery County [5] |
| Gender | Male | |
| Death | 1858 | , Montgomery, MD, USA [1, 5] |
| Person ID | I6483 | Ancestrees |
| Last Modified | 3 Mar 2026 | |
| Father | John "Lewis" Duvall, b. Bef 1745, Queen Anne's Parish, Prince George's, MD d. Bef 17 Sep 1817, , Montgomery, MD, USA (Age < 72 years) | |
| Relationship | natural | |
| Mother | Anne Welsh, *, b. Bef 1750 d. Bef 9 Aug 1825, , Montgomery, MD, USA (Age < 75 years) | |
| Relationship | natural | |
| Marriage | Bef 1776 [4] | |
| Family ID | F889 | Group Sheet | Family Chart |
| Family | Jane Wyvill | |
| _MARRIED | N | |
| Family ID | F904 | Group Sheet | Family Chart |
| Last Modified | 3 Mar 2026 | |
| Photos | dna thru lines (1) |
| Notes |
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| Sources |
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