| Value | Category |
|---|---|
| No mother link | |
| 1 | Unambiguous mother link |
| 2 | Daughter/grandchild link |
| 3 | Preceding female (no intervening person) |
| 5 | Daughter/grandchild (child surviving status) |
| 6 | Preceding female (child surviving status) |
| 7 | Spouse of father becomes stepmother |