Source : Webster's Revised Unabridged Dictionary (1913)

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.

   {Genealogical tree}, a family lineage or genealogy drawn out
      under the form of a tree and its branches.

Source : WordNet®

genealogically
     adv : in a genealogical manner; "he charted his family tree
           genealogically"