X_RELATION is a [fixed lexicon] with the following values:\\

%%zebra-table
||Saved\\Value||Displayed Value
| 00 | Unknown
| 01 | Spouse
| 02 | Common-Law Spouse
| 03 | Partner
| 04 | Significant Other
| 05 | Daughter
| 06 | Son
| 07 | Step-Daughter
| 08 | Step-Son
| 09 | Granddaughter
| 10 | Grandson
| 11 | Father
| 12 | Mother
| 14 | Mother-in-Law
| 15 | Father-in-Law
| 16 | Grandmother
| 17 | Grandfather
| 18 | Son-in-Law
| 19 | Daughter-in-Law
| 20 | Sister
| 21 | Brother
| 22 | Sister-in-Law
| 23 | Brother-in-Law
| 24 | Aunt
| 25 | Uncle
| 26 | Cousin
| 27 | Niece
| 28 | Nephew
| 29 | Ex-spouse
| 30 | Neighbor
| 31 | Friend
| 32 | Business Contact
| 33 | Childminder
| 34 | Spiritual Advisor
| 35 | Contributor
| 36 | Step-Brother
| 37 | Step-Father
| 38 | Step-Mother
| 39 | Step-Sister
| 40 | Guardian
| 41 | Disabled Member
| 42 | College Student
| 43 | Trust
| 44 | Domestic Partner's Son
| 45 | Domestic Partner's Daughter
| 46 | Domestic Partner
%%