Q.66. What is that union which the elect have with Christ?

A. The union which the elect have with Christ is the work of God’s grace,[f] whereby they are spiritually and mystically, yet really and inseparably, joined to Christ as their head and husband;[g] which is done in their effectual calling.[h]

[f] Eph. 1:22. Eph. 2:6-8.

[g] 1 Cor. 6:17. John 10:28. Eph. 5:23,30.

[h] 1 Pet. 5:10. 1 Cor. 1:9.