wait is the newborn the tan guy hol uppppppp if he is betta be put in jailllll

He isn't,they are two different people

Skin colour is different
Beom is a different person he is a pariah, Ahm need blood for his brother that's how they meet

The baby is his father Lord Ahn who passed away and concubine who died after gave birth to this child. Ahn Geumhu is first son/oldest son, the child is second son. They're brothers