Parents: Their Duty to Their Children Is: To Instruct Them in God's Word
Source: TTT
Deuteronomy 4:9
Only be on your guard and diligently watch yourselves, so that you do not forget the things your eyes have seen, and so that they do not slip from your heart as long as you live. Teach them to your children and grandchildren.
Deuteronomy 11:19
Teach them to your children, speaking about them when you sit at home and when you walk along the road, when you lie down and when you get up.
Isaiah 38:19
The living, only the living, can thank You, as I do today; fathers will tell their children about Your faithfulness.