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No. Cain was the eldest son of Adam and Eve. However he became the first murderer; he killed his brother Abel because of envy. Then God said to him: "You are cursed more than the ground, which has opened its mouth to receive your brother's blood from your hand".

This event is recorded in the Chinese character for curse. It is composed of the signs for mouth and eldest brother:
tso kau sjong
Curse =Mouth + Eldest brother
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