Apollonius, a Roman senator under the emperor Commodus, having been denounced by a slave as a Christian, gained permission to give a reason for his faith and wrote a remarkable volume which he read in the senate, yet none the less, by the will of the senate, he was beheaded for Christ by virtue of an ancient law among them, that Christians who had once been brought before their judgment seat should not be dismissed unless they recanted.
Source: De Viris Illustribus (Illustrious Men) (New Advent)