What does it mean that the six parents don't recognize the red-eyed wolf?

Six relatives don't recognize the red-eyed wolf, which means that a person doesn't care about his relatives, is jealous of their benefits and wants to swallow them all. It is an idiom that six parents deny the red-eyed wolf, which is a combination of two idioms, namely, six parents deny the red-eyed wolf and the red-eyed wolf. It is a very derogatory idiom that the six relatives deny the red-eyed wolf, which is used to describe a person's extremely selfish, cruel, heartless and greedy character and behavior.