Gen 4:9

NET

Then the LORD said to Cain, "Where is your brother Abel?" And he replied, "I don't know! Am I my brother's guardian?"

ESV

Then the LORD said to Cain, "Where is Abel your brother?" He said, "I do not know; am I my brother's keeper?"

NKJ

Then the LORD said to Cain, "Where is Abel your brother?" He said, "I do not know. Am I my brother's keeper?"

NRS

Then the LORD said to Cain, "Where is your brother Abel?" He said, "I do not know; am I my brother's keeper?"

RSV

Then the LORD said to Cain, "Where is Abel your brother?" He said, "I do not know; am I my brother's keeper?"

NASB

Then the LORD asked Cain, Where is your brother Abel? He answered, "I do not know. Am I my brother's keeper?"

AV/KJV

And the LORD said unto Cain, Where is Abel thy brother? And he said, I know not: Am I my brother's keeper?