21 endpoint histories deepen. Research envelopes and adopted bases do not create ancestry observations.
| At or before | Strict ancestry | Including qualified ancestry | Including optional references |
|---|---|---|---|
| 1900 | 113 | 150 | 150 |
| 1800 | 77 | 133 | 133 |
| 1700 | 56 | 131 | 131 |
| 1500 | 36 | 95 | 95 |
| 1100 | 24 | 44 | 44 |
| 800 | 0 | 44 | 44 |
| 700 | 0 | 16 | 16 |
| 1 | 0 | 0 | 0 |
| -600 | 0 | 0 | 0 |