#line_of_descent__descent__lineage__filiation  the kinship relation between an individual and the individual's progenitors
  supertype:  #family_relationship__kinship__relationship  state of relatedness or connection by blood or marriage or adoption
  subtype:  #bilateral_descent__bilateraldescent  line of descent traced through both the maternal and paternal sides of the family
  subtype:  #unilateral_descent  line of descent traced through one side of the family
     subtype:  #matrilineage__enation__cognation  line of descent traced through the maternal side of the family
     subtype:  #patrilineage__agnation  line of descent traced through the paternal side of the family

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