Matthew 23:31 in the King James Version
Wherefore ye be witnesses unto yourselves, that ye are the children of them which killed the prophets.
Context
30 and say, ‘If we had lived in the days of our fathers, we wouldn’t have been partakers with them in the blood of the prophets.’
31 Therefore you testify to yourselves that you are children of those who killed the prophets.
32 Fill up, then, the measure of your fathers.