As a born again Jew, when I enter the Kingdom, will I be a part of the nation of Israel or part of the Gentile world? What about my Christian children and spouse who are not Jewish?
According to Paul, a believing Jew in the church is considered part of the remnant of Israel:
As a Jew and believer in Jesus as Messiah, you are a part of the remnant of Israel by God’s gracious choice, Paul says. Furthermore, the word says that in the Kingdom, all Jews will live in the Promised Land:
Regarding your spouse and children, they are not considered Jewish according to scripture since their father is not Jewish. We can see an example of this in Ezra when Samaritans visited the Israelites in Jerusalem:
These imposters were long-lost descendants of the Jewish people who had escaped capture when the Assyrians conquered the northern kingdom of Israel. Because these Jewish refugees had intermarried with the Assyrians, they were no longer considered Jewish, as Zerubbabel’s repudiation indicates.
Therefore, your family must be considered Gentiles since they do not have a Jewish father. Nevertheless, they are believers, so they will also be in the Kingdom with you though they will occupy a Gentile land while you live in Israel.
Don’t let this difference cause you concern, since it won’t matter to us where we live or where members of our earthly family reside. Jesus says we will not be married nor will earthly relationships continue in our glorified state. Instead, we will be like the angels Jesus says speaking of all saints:
Therefore, it matters not which land we occupy in the Kingdom. Our family associations are dissolved in any case after the resurrection, so that the only family association we have or desire in the Kingdom will be as a brother or sister to all believers and as a Bride to our Groom, Christ.