Just because a person in 2023 claims to be a Jew does not at all mean they are descendants of the Patriarch Jacob/Israel.
This conversation is especially relevent as another war begins over a piece of land claimed by people who call themselves Jews.
Six Scriptures demonstrating that many peoples converted to Judaism.
Esther 8:17.
Matthew 21:15.
John 8:31-59.
Acts 2:5-11
Revelation 2:9
Revelation 3:9
https://bloodandfaith.com/2023/10/16/false-jews/