A ¹ Paul, an apostle of Jesus Christ by the will of God,

B  to the saints who are in Ephesus, 

B’  and faithful in Christ Jesus:

A’  ² Grace to you and peace from God our Father and the Lord Jesus Christ.

A: From God and Jesus Christ. 

B: Saints in Ephesus (geographical dwelling). 

B’: Faithful in Christ (spiritual dwelling).