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]