Group - A group of a trio study including proband, mother, and father

{
  "resourceType" : "Group",
  "id" : "groupDenovoFamily",
  "text" : {
    "status" : "additional",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p> Denovo mutation study members </p> \n      <ul> \n        <li> Patient: Child Junior Doe</li> \n        <li> Mother: Jane Mother Doe</li> \n        <li> Father: John Father Doe</li> \n      </ul> \n    </div>"
  },
  "identifier" : [{
    "use" : "temp",
    "type" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
        "code" : "MR",
        "display" : "Medical record number"
      }]
    },
    "system" : "http://www.somesystemabc.net/identifiers/groups",
    "value" : "11111",
    "period" : {
      "start" : "2021-01-01"
    },
    "assigner" : {
      "display" : "Child Hospital"
    }
  }],
  "active" : true,
  "type" : "person",
  "membership" : "enumerated",
  "name" : "Denovo Mutation Example Group",
  "description" : "[markdown]",
  "quantity" : 3,
  "managingEntity" : {
    "reference" : "Practitioner/practitioner02"
  },
  "member" : [{
    "entity" : {
      "reference" : "Patient/proband"
    },
    "period" : {
      "start" : "2021-01-01T01:01:10-06:00"
    },
    "inactive" : false
  },
  {
    "entity" : {
      "reference" : "RelatedPerson/relatedPersonDenovoMother"
    },
    "period" : {
      "start" : "2021-01-01T01:01:10-06:00"
    },
    "inactive" : false
  },
  {
    "entity" : {
      "reference" : "RelatedPerson/relatedPersonDenovoFather"
    },
    "period" : {
      "start" : "2021-01-01T01:01:10-06:00"
    },
    "inactive" : false
  }]
}