Almost 140 years before the southern kingdom of Judah went into Babylonian captivity, the northern kingdom of Israel was taken into Assyrian captivity. And, whereas the kingdom of Judah returned to the land, there is no corresponding record of the kingdom of Israel doing the same. This has led to much speculation on the present identity of the lost tribes of Israel, which make up ten of the twelve tribes of the ancient Hebrews.
Whether you are aware of it or not your children will learn from you. Is what they are learning going to be good for them or will it lead them into troubles?