Genesis 38:10
“The thing which he did was evil in Yahweh’s sight, and he killed him also.”
What does Genesis 38:10 mean?
Onan had refused to fulfill his duty to his dead brother by fathering a child with his brother's widow, an obligation that was important in that culture for keeping the family line alive. His selfishness and disobedience were serious enough that God took his life, showing that God took these responsibilities and basic human compassion seriously. This story can feel harsh to modern readers, but it reflects a moment when God was establishing boundaries about how his people should treat one another, especially the vulnerable. The point isn't that God punishes small mistakes, but rather that ignoring our obligations to care for family in crisis—choosing our own comfort over someone else's survival—matters deeply to him. It's a reminder that love sometimes calls us to do hard things we'd rather avoid.