Group - A group of a trio study including proband, mother, and father (id = "groupDenovoFamily")

<?xml version="1.0" encoding="UTF-8"?>

<Group xmlns="http://hl7.org/fhir">
  <id value="groupDenovoFamily"/>  
  <text>  
    <status value="additional"/>  
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>  Denovo mutation study members </p>  
      <ul>  
        <li>  Patient: Child Junior Doe</li>  
        <li>  Mother: Jane Mother Doe</li>  
        <li>  Father: John Father Doe</li>  
      </ul>  
    </div>  
  </text>  
  <identifier> 
    <use value="temp"/> 
    <type> 
      <coding> 
        <system value="http://terminology.hl7.org/CodeSystem/v2-0203"/> 
        <code value="MR"/> 
        <display value="Medical record number"/> 
      </coding> 
    </type> 
    <system value="http://www.somesystemabc.net/identifiers/groups"/> 
    <value value="11111"/> 
    <period> 
      <start value="2021-01-01"/> 
    </period> 
    <assigner> 
      <display value="Child Hospital"/> 
    </assigner> 
  </identifier> 
 <active value="true"/> 
 <type value="person"/> 
 <membership value="enumerated"/> <!--   1..1 definitional | enumerated   -->
 <!--   <code></code>   -->
 <name value="Denovo Mutation Example Group"/> <!--   0..1 Label for Group   -->
 <description value="[markdown]"/> <!--   0..1 Natural language description of the group   -->
 <quantity value="3"/> 
 <managingEntity> 
    <reference value="Practitioner/practitioner02"/> 
 </managingEntity> 

 <member> 
  <entity> 
    <reference value="Patient/proband"/> 
  </entity> 
  <period>  
      <start value="2021-01-01T01:01:10-06:00"/>  
  </period> 
  <inactive value="false"/> 
 </member> 

  <member> 
  <entity> 
    <reference value="RelatedPerson/relatedPersonDenovoMother"/> 
  </entity> 
  <period>  
      <start value="2021-01-01T01:01:10-06:00"/>  
  </period> 
  <inactive value="false"/> 
 </member> 

  <member> 
  <entity> 
    <reference value="RelatedPerson/relatedPersonDenovoFather"/> 
  </entity> 
  <period>  
      <start value="2021-01-01T01:01:10-06:00"/>  
  </period> 
  <inactive value="false"/> 
 </member> 
</Group>