This is the ValueSet that contains all the codes in RoleClassPersonalRelationship (http://terminology.hl7.org/ValueSet/v3-RoleClassPersonalRelationship) and RoleClassPersonalRelationship (http://terminology.hl7.org/ValueSet/v3-RoleClassPersonalRelationship). E.g. what you have to deal with if you get resources containing codes in either of them