'Children of Israel' in the Bible

Yet I have a few things against thee, that thou hast there some who hold the doctrine of Balaam, who taught Balac to lay a stumbling-block before the children of Israel, to eat of idol sacrifices, and to commit whoredom.

And I heard the number of those who were sealed; one hundred and forty and four thousand were sealed out of every tribe of the children of Israel.

and she had a great wall and lofty, having twelve gates, and at the gates twelve angels, and names inscribed on them, which are those of the twelve tribes of the children of Israel.