Yes. Having and raising children is the primary thing for people. We can see it in the fact that starting children (intimacy and sex) is so pleasurable. If God didn't care about starting children, he would have made something else to be the pleasure item.

If child bearing is the primary purpose for marriage, what then happens to a union that have not been blessed by children?
I know children are the joy of every marriage but it is so because of our own understanding and never the original purpose for marriage which is for companionship. I know many people find it difficult when they don't have children but don't you think if it was just for child bearing many would have lived there marriage after fulfilling that child bearing purpose. A woman or man can live happily married without children but finds it difficult to live when marriage loses that companionship qualities required in it
Just as the Bible says, children are special gift from God and they bring joy in marriage. But the major purpose for marriage is not to have children alone. If having children is the major reason for marriage, I think many marriages would have ended after having children, so marriage is more than that. The main purpose of marriage is love, understanding, support, and growing together, couples can stay together without no children and still leave in peace, And the love will still be there but once there is no love, and even when there is children themarriage will still look unhappy because there is no companionship. So, children can add happiness but it should not be the only reason why anyone should get married because A day will come when those children will grow and leave the house and the husband and wife we still be left out, but when there is effective communication, love and respect the marriage will still be perfect