'Boy's' in the Bible

God heard the boy's voice, and the angel of God called to Hagar from heaven. He asked her, "What's wrong with you, Hagar? Don't be afraid, because God has heard the voice of the youth where he is.

and we answered my lord, ‘We have an elderly father and a younger brother, the child of his old age. The boy’s brother is dead. He is the only one of his mother’s sons left, and his father loves him.’

“So if I come to your servant my father and the boy is not with us—his life is wrapped up with the boy’s life—