'Relation' in the Bible

Now there were at Antioch, in the church there, prophets and teachers, Barnabas, and Symeon who was named Niger, and Lucius of Cyrene, and Manaen, a relation of Herod the king, and Saul.

For indeed we are in danger of being accused of rioting concerning today, [since there] is no cause in relation to which we will be able to give an account concerning this disorderly gathering!" And [when he] had said these [things], he dismissed the assembly.

This too is my own earnest endeavour--always to have a clear conscience in relation to God and man.