Yes, it is necessary for Christian parents to tell the Gospel Truth to their children that Jews killed Jesus Christ.
God put that in all four Gospels because God wants you to teach this important Gospel Truth to your children!
God wants you to teach the Gospel Truth that Jews killed Christ to your children.
Book of Acts clearly shows that the Early Church taught this important Gospel Truth in the Christian church.
God put the Gospel Truth that Jews killed Jesus Christ in order to ensure that this important Gospel Truth is preached to the People of God.
Do not try to suppress the Gospel Truth that Jews killed Jesus Christ.
This is the Word of God for the People of God!
Yes, Christians must be willing to firght for and die for the cross of Jesus Christ and the Holy Bible, which is God’s Word.
Christians who are not willing to fight for Jesus Christ and the Holy Bible and die for it are not true disciples of Jesus Christ.
God only knows that answer, since God ultimately decides who goes to Heaven and who goes to Hell.
God is the Judge.
But read through the Book of Galatians.
It is true that St. Paul called so-called Christians supporting Jews and Israel as preaching another Gospel.
In fact, St. Paul curses at them and says that they should go to Hell.
Just read through the Book of Galatians, for yourself.
Why is this important?
St. Paul’s curses can apply to you, if you support the Jews and the Jewish nation of Israel.
God hates the Jews because Jews killed His only Son.
That is why God rejected Jews as a Chosen People (they are no longer the Chosen People).
And God destroyed Israel in 70 AD.
All Jews who do not repent and accept Jesus Christ go to Hell.