[The player of the role is: (1) a sibling of the scoping person's spouse, or (2) the spouse of the scoping person's sibling, or (3) the spouse of a sibling of the scoping person's spouse. ( HL7V3.0 )]
UMLS (HL7) C1553710 Relation/PAR: Sibling
Relation/CHD: brother-in-law
sister-in-law