Or brothers and sisters. The plural Greek word adelphoi (translated "brothers") refers to siblings in a family. In New Testament usage, depending on the context, adelphoi may refer either to men or to both men and women who are siblings (brothers and sisters) in God's family, the church
because 12our gospel came to you not only in word, but also in power and 13in the Holy Spirit and with full 14conviction. You know 15what kind of men we proved to be among you for your sake.