| 1. Lillian Elizabeth Ritchie |
 |
| B: |
23 Feb 1926 |
| P: |
Darby, Delaware, Pennsylvania, USA |
| D: |
02 Jan 1999 |
| P: |
Wallingford, Delaware, Pennsylvania, USA |
|
| 2. Robert J. Ritchie |
|
| B: |
16 Nov 1896 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
| M: |
|
| P: |
|
| D: |
17 Aug 1983 |
| P: |
Camden, New Jersey, USA |
|
| 4. Robert Cowan Ritchie |
|
| B: |
22 Nov 1858 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
| M: |
1893 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
| D: |
04 Oct 1934 |
| P: |
Yeadon, Delaware, Pennsylvania, USA |
|
| 8. Robert John Ritchie |
|
| B: |
1828 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
| M: |
Abt 1854 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
| D: |
15 May 1891 |
| P: |
Philadelphia, Philadelphia, Pennsylvania, USA |
|
1926 - 1999 (72 years)