Why did David's baby die for his father's sin?
In short: The text should not be read as if the child were guilty of David's adultery and murder. It shows that the sin of a king also wounds the innocent, and David himself is broken by the consequences of his act.
The Orthodox nuance
David did not commit a private sin. He, the anointed king of Israel, takes another man's wife and sends her husband to death. In a king, sin never remains only his own: it strikes the household, the people, and the future. The prophet Nathan reveals precisely this gravity.
The death of the child is, for us, a painful passage. We must not say that the child was guilty. The Bible itself, through Ezekiel, rejects the simplistic transfer of moral guilt from father to son. But the consequences of sin can reach the innocent — and this is one of the great tragedies of the fallen world.
David does not get off cheaply. Psalm 50/51, his prayer of repentance, shows a broken man, not a man who paid with someone else's life and moved on. In the light of Christ, we see even more clearly that only God can carry injustice to the end and heal it.
Sources
- 2 Samuel 11-12
- Psalm 50/51
- Ezekiel 18:20
- Romans 5:12