Possible Clues:

• Ancestors
• Antecedents
• From whom we are descended
• Grizzlies that alert others that they're about to drive?
• Family tree bunch
• Lineage for beasts, by the sound of them
• Sound like one more of the 14 down for Goldilocks (9)
• Ancestors for the quartet of beasts, by the sound of them
• By the sound of it, more ancestors than Goldilocks ever had