NET
19 Rather they had several points of disagreement with him about their own religion and about a man named Jesus who was dead, whom Paul claimed to be alive.
Darby
19 but had against him certain questions of their own system of worship, and concerning a certain Jesus who is dead, whom Paul affirmed to be living.
KJV
19 But had certain questions against him of their own superstition, and of one Jesus, which was dead, whom Paul affirmed to be alive.