NET
4 But if a widow has children or grandchildren, they should first learn to fulfill their duty toward their own household and so repay their parents what is owed them. For this is what pleases God.
Darby
4 but if any widow have children or descendants, let them learn first to be pious as regards their own house, and to render a return on their side to [their] parents; for this is acceptable in the sight of God.
KJV
4 But if any widow have children or nephews, let them learn first to shew piety at home, and to requite their parents: for that is good and acceptable before God.