The Collaborative International Dictionary of English v.0.48:

Genealogical \Gen`e*a*log"ic*al\, a. [Cf. F.
   g['e]n['e]alogique.]
   Of or pertaining to genealogy; as, a genealogical table;
   genealogical order. -- Gen`e*a*log"ic*al*ly, adv.
   [1913 Webster]

   Genealogical tree, a family lineage or genealogy drawn out
      under the form of a tree and its branches.
      [1913 Webster]

WordNet (r) 3.0 (2006):

genealogical
    adj 1: of or relating to genealogy; "genealogical records" [syn:
           genealogic, genealogical]