Robert Blackwood
1800 - (Notes: You may have to scroll down or right to see chart.)
| James Thacher Milliken | |
| B: | 8 Aug 1883 |
| D: | 1952 |
| Helen Blackwood | |
| B: | 7 Apr 1860 |
| MI | |
| Charles T. Grawn | |
| B: | 1857 |
| Salem, Washtenaw Co., MI | |
| Isaac Blackwood | |
| B: | 17 Apr 1832 |
| Seneca Co., NY | |
| Elizabeth A. Yerkes | |
| B: | 14 Jan 1840 |
| MI | |
| Robert Blackwood | |
| B: | 1800 |
| PA | |
| Rebecca ? | |
| B: | 1807 |
| NY | |