{
    "resourceType": "Patient",
    "id": "4",
    "name":  [
        {
            "family": "Williams",
            "given":  [
                "John"
            ]
        }
    ],
    "birthDate": "1965-02-18"
}

<Patient xmlns="http://hl7.org/fhir">
    <id value="4" />
    <name>
        <family value="Williams" />
        <given value="John" />
    </name>
    <birthDate value="1965-02-18" />
</Patient>