RelatedPerson - a proband's mother

{
  "resourceType" : "RelatedPerson",
  "id" : "relatedPersonDenovoMother",
  "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/persons",
    "value" : "11112",
    "period" : {
      "start" : "2021-01-01"
    },
    "assigner" : {
      "display" : "Child Hospital"
    }
  }],
  "active" : true,
  "patient" : {
    "reference" : "Patient/denovoChild"
  },
  "relationship" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-RoleCode",
      "code" : "NMTH",
      "display" : "natural mother"
    }]
  }],
  "name" : [{
    "use" : "official",
    "family" : "Doe",
    "given" : ["Jane",
    "Mother"]
  }],
  "gender" : "female",
  "birthDate" : "2000-01-01"
}