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