NET
21 Then his son said to him, ‘Father, I have sinned against heaven and against you; I am no longer worthy to be called your son.’
Darby
21 And the son said to him, Father, I have sinned against heaven and before thee; I am no longer worthy to be called thy son.
KJV
21 “And the son said unto him, Father, I have sinned against heaven, and in thy sight, and am no more worthy to be called thy son.”