<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="BiologicalFamilyMember" />
  <url value="http://example.org/StructureDefinition/BiologicalFamilyMember" />
  <version value="1.0.0" />
  <name value="BiologicalFamilyMember" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="logical" />
  <abstract value="false" />
  <type value="http://example.org/StructureDefinition/family-member" />
  <baseDefinition value="http://example.org/StructureDefinition/family-member" />
  <derivation value="constraint" />
  <differential>
    <element id="family-member.biological">
      <path value="family-member.biological" />
      <min value="1" />
      <patternBoolean value="true" />
    </element>
  </differential>
</StructureDefinition>