Jesus originally appointed 12 to represent each of the 12 tribes of Israel (Jews)-Mark 3:12.
Matthias was named to supply the place of Judas in Acts 1:26-And they gave forth their lots; and the lot fell upon Matthias; and he was numbered with the eleven apostles.
Here you go, now who was called as the 14th apostle and where in the Bible so you find it?
Love in Christ, Eva
Paul
Act 9:11 And the Lord said unto him, Arise, and go into the street which is called Straight, and enquire in the house of Judas for one called Saul, of Tarsus: for, behold, he prayeth,
Act 9:12 And hath seen in a vision a man named Ananias coming in, and putting his hand on him, that he might receive his sight.
Act 9:13 Then Ananias answered, Lord, I have heard by many of this man, how much evil he hath done to thy saints at Jerusalem:
Act 9:14 And here he hath authority from the chief priests to bind all that call on thy name.
Act 9:15 But the Lord said unto him, Go thy way: for he is a chosen vessel unto me, to bear my name before the Gentiles, and kings, and the children of Israel:
Rom 1:1 Paul, a servant of Jesus Christ, called to be an apostle, separated unto the gospel of God,
1Co 1:1 Paul, called to be an apostle of Jesus Christ through the will of God, and Sosthenes our brother,
2Co 1:1 Paul, an apostle of Jesus Christ by the will of God, and Timothy our brother, unto the church of God which is at Corinth, with all the saints which are in all Achaia:
Gal 1:1 Paul, an apostle, (not of men, neither by man, but by Jesus Christ, and God the Father, who raised him from the dead;)
Eph 1:1 Paul, an apostle of Jesus Christ by the will of God, to the saints which are at Ephesus, and to the faithful in Christ Jesus:
Col 1:1 Paul, an apostle of Jesus Christ by the will of God, and Timotheus our brother,
1Ti 1:1 Paul, an apostle of Jesus Christ by the commandment of God our Saviour, and Lord Jesus Christ, which is our hope;
2Ti 1:1 Paul, an apostle of Jesus Christ by the will of God, according to the promise of life which is in Christ Jesus,
Tit 1:1 Paul, a servant of God, and an apostle of Jesus Christ, according to the faith of God's elect, and the acknowledging of the truth which is after godliness;
