| Value | Category |
|---|---|
| 1 | son/daughter of father's brother |
| 2 | son/daughter of father's sister |
| 3 | son/daughter of mother's brother |
| 4 | son/daughter of mother's sister |
| 5 | other blood relative from mother's side |
| 6 | other blood relative from father's side |
| 7 | relative by marriage |
| Sysmiss |