Westminster Larger Catechism

Q36

Who is the Mediator of the covenant of grace?

The only Mediator of the covenant of grace is the Lord Jesus Christ,137 who, being the eternal Son of God, of one substance and equal with the Father,138 in the fulness of time became man,139 and so was and continues to be God and man, in two entire distinct natures, and one person, forever.140
Doctrine
WSC Q21

Scripture Proofs

137
1 Timothy 2:5
138
John 1:1John 1:14John 10:30Philippians 2:6
139
Galatians 4:4
140
Luke 1:35Romans 9:5Colossians 2:9Hebrews 7:24-25

See also

Westminster Shorter CatechismQ21Who is the Redeemer of God’s elect?