Galatians 1:19

Other of the apostles. Besides the Twelve there were others who were at one time or another spoken of as apostles, but who were never considered as belonging to the group selected and commissioned by Jesus (see Rom. 16:7; 1 Thess. 2:6).

James the Lord’s brother. Some identify this James with the son of Alphaeus, explaining that “brother” is to be understood in the general sense of “cousin,” or some other near relative. This identification arises from the belief that Paul refers to this James as an apostle. The language, however, does not require such a conclusion, and the identification is highly improbable (see Matt. 13:55; see on Mark 3:18).