| Value | Category |
|---|---|
| 00 | Reference person |
| 01 | Husband or wife |
| 02 | Partner |
| 03 | Son or daughter |
| 04 | Step-child |
| 05 | Brother or sister |
| 06 | Mother or father |
| 07 | Step-mother/father |
| 08 | Son-/daughter-in-law |
| 09 | Grandchild |
| 10 | Other related |
| 11 | Unrelated |
| 99 | Unknown and absent |