{
  "resourceType" : "RelatedPerson",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "identifier" : [{ Identifier }], // A human identifier for this person
  "patient" : { Reference(Patient) }, // R!  The patient this person is related to
  "relationship" : { CodeableConcept }, // The nature of the relationship
  "name" : { HumanName }, // A name associated with the person
  "telecom" : [{ ContactPoint }], // A contact detail for the person
  "gender" : "<code>", // male | female | other | unknown
  "birthDate" : "<date>", // The date on which the related person was born
  "address" : [{ Address }], // Address where the related person can be contacted or visited
  "photo" : [{ Attachment }], // Image of the person
  "period" : { Period } // Period of time that this relationship is considered valid
}