<Group xmlns="http://hl7.org/fhir"><id value="Household"/><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="fhir"/></extension><publisher value="HL7 International / FHIR Infrastructure"/><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/fiwg"/></telecom></contact><type value="person"/><membership value="enumerated"/><code><coding><system value="http://hl7.org/fhir/ValueSet/group-code"/><code value="household"/></coding></code><member><entity><reference value="Patient/xcda"/></entity><involvement><coding><system value="http://hl7.org/fhir/group-involvement"/><code value="owner"/></coding></involvement></member><member><entity><reference value="Patient/pat4"/></entity><involvement><coding><system value="http://hl7.org/fhir/group-involvement"/><code value="resident"/></coding></involvement></member><member><entity><reference value="Patient/pat3"/></entity><involvement><coding><system value="http://hl7.org/fhir/group-involvement"/><code value="resident"/></coding></involvement></member><member><entity><reference value="Patient/pat1"/></entity><involvement><coding><system value="http://hl7.org/fhir/group-involvement"/><code value="pet"/></coding></involvement></member></Group>