The One-Another's of the Bible
God tells Christians brothers and sisters in Christ how to treat each other by the “One Anothers.” There are 59 of these: Google "The One Another's of the Bible" and print off or just look at together - read through them, mark one that speaks to you and what challenges you.
What do we want THIS family to be about? How do we want to treat each other? This could be a good spot to talk about “family norms” in your group.