1737 - 1793 (55 years)
| David Davis Walker 1840-1918 |
| David Davis Walker | |
| B: | 19 Jan 1840 |
| Bloomington, McLean, Illinois, USA | |
| D: | 4 Oct 1918 |
| Kennebunkport, York, Maine, USA | |
 | Martha Adela Beaky 1841-Aft 1906 |
| Martha Adela Beaky | |
| B: | 1 Jun 1841 |
| Emmitsburg, Frederick, Maryland, USA | |
| M: | 25 Dec 1862 |
| St Louis, Missouri, USA | |
| D: | Aft 1906 |
| Harriet Mercer Abt 1802-1869 |
| Harriet Mercer | |
| B: | Abt 1802 |
| Maryland, USA | |
| D: | 24 Oct 1869 |
| Bloomington, Monroe, Indiana, USA | |
| George E Walker Abt 1797-1864 |
| George E Walker | |
| B: | Abt 1797 |
| Burlington, New Jersey, USA | |
| M: | 22 May 1821 |
| Baltimore, Maryland, USA | |
| D: | 28 Oct 1864 |
| Bloomington, McLean, Illinois, USA | |
|
| Robert Mercer, II 1737-1793 |
| Robert Mercer, II | |
| B: | 22 Dec 1737 |
| St. Stephen's, Cecil, Maryland, USA | |
| D: | 22 Jan 1793 |
| New Castle, New Castle, Delaware, USA | |
| Sarah Beaston 1750-1796 |
| Sarah Beaston | |
| B: | 20 Apr 1750 |
| Cecil, Maryland, USA | |
| D: | May 1796 |
| New Castle, New Castle, Delaware, USA | |
