We are members of our own family. As a child of my parents, of course I know my parents's name. I think all the children will know the names of their parents except some cases like orphans, single-parent families, and feeble-minded children.
Physically we all know our father's name and mother's, too.
We are children of God. Then we must know the name of our Spiritual parents.
Isa 52:6 Therefore my people will know my name;
In the age of Father, his name was ...?
Psalms 20:7 Some trust in chariots and some in horses, but we trust in the name of the LORD(Jehovah) our God.
And in the age of Son, he uses the new name of Jehovah. The name was...?
Acts 5:42 Day after day, in the temple courts and from house to house, they never stopped teaching and proclaiming the good news that Jesus is the Christ.
What about the age of Spirit???
He foretold that he would use the new name of Jesus.
As the Spirit, Jesus uses the new name and him who overcomes which means his people will know him. Moreover the name of new Jerusalem.
We, who know the names of Father, Ahnsahnghong and Mother,New Jerusalem, are children of God.