The JEWISH Messiah. Replacment Theology is a doctrine of demons.
The Church is the New Israel. Bloodline, Jewish or Gentile, counts for nothing. But the Church is open to every bloodline, Jew and Gentile alike, so there is no "replacement." All are welcome in Christ's Church, the New Israel.
Acts 10:34
Then Peter began to speak: “I now realize how true it is that God does not show favoritism.