[A relationship between two people characterizing their "familial" relationship ( HL7V3.0 )]
UMLS (HL7) C1611821 Relation/PAR: RoleCode
PersonalRelationshipRoleType
Relation/CHD: Roomate
niece/nephew
significant other
great grandparent
spouse
Parent
domestic partner
uncle
cousin
aunt
grandchild
Grandparent
Sibling
Child