description: The portion of the family name that is derived from the person's own surname, as distinguished from any portion that is derived from the surname of the person's partner or spouse. package_name: hl7.fhir.r5.core derivation: constraint name: own-name type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/humanname-own-name'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.0.0-snapshot3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/humanname-own-name base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.0.0-snapshot3 required: [valueString, value]