Possible Clues:

• A new church's attempt at family tree
• Certs come to grief in some race
• Any crest that's developed for a blood line
• How broken canes attempt to make a line for you (8)
• Any crest (anag.)
• Railway following tortuous ascent and descent
• The forebears of the crest in any circumstances
• Pedigree
• An improper crest, in any pedigree
• Could broken canes attempt to make a line for one?