&id002 !!org.yaml.snakeyaml.recursive.generics.Human
bankAccountOwner: &id001 !!org.yaml.snakeyaml.recursive.generics.Human
  bankAccountOwner: *id001
  birthPlace: Leningrad
  birthday: 1970-01-12T13:46:40Z
  children: &id003 !!java.util.LinkedHashSet
    *id002: null
    ? bankAccountOwner: *id001
      birthPlace: New York
      birthday: 1983-04-24T02:40:00Z
      children: !!java.util.LinkedHashSet {}
      father: *id001
      mother: &id004 !!org.yaml.snakeyaml.recursive.generics.Human
        bankAccountOwner: *id001
        birthPlace: Saint-Petersburg
        birthday: 1973-03-03T09:46:40Z
        children: *id003
        father: null
        mother: null
        name: Mother
        partner: *id001
      name: Daughter
      partner: null
    : null
  father: null
  mother: null
  name: Father
  partner: *id004
birthPlace: Munich
birthday: 1979-10-28T23:06:40Z
children: !!java.util.LinkedHashSet {}
father: *id001
mother: *id004
name: Son
partner: null