familial

from WordNet (r) 3.0 (2006)

familial
    adj 1: relating to or having the characteristics of a family;
           "children of the same familial background"; "familial
           aggregation"
    2: occurring among members of a family usually by heredity; "an
       inherited disease"; "familial traits"; "genetically
       transmitted features" [syn: {familial}, {genetic},
       {hereditary}, {inherited}, {transmitted}, {transmissible}]

from The Collaborative International Dictionary of English v.0.48

familial \familial\ adj.
   1. relating to or having the characteristics of a family; as,
      children of the same familial background; familial
      aggregation.
      [WordNet 1.5]

   2. tending to occur among members of a family, usually by
      hereditary transmission; familial traits.

   Syn: genetic, hereditary, inherited, transmitted,
        transmissible.
        [WordNet 1.5]

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