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Additional family relationships
| Relationship | Definition |
|---|---|
| Ancestor 1 (first level) | ANC1 = PAR + RB |
| Ancestor | ANCn = ANC1 o ANCn-1 |
| Descendant 1 | DES1 = CHD + RN |
| Descendant | DESn = DES1 o DESn-1 |
| Extended Sibling | SIBX = DES1 o ANC1 |
| Uncle | UNC = SIBX o ANC1 |
| Cousin | COU = DES1 o UNC |
| Other Related of Anc1 | AOT = RO o ANC1 |
| Other Related of Des1 | DOT= RO o DES1 |
