Now Israel loved Joseph more than all of his children, because he was the son of his old age: and he made him a coat of many colours.
-- Gen. 37:3 (KJV)
The proof that this family was dysfunctional is given in this verse. The verse states that Jacob loved Joseph more than his other children. You can always spot out a bad parent that favors one child more than the other. Love all of your children equally.
Numerical Analysis: The numerical pattern for this verse is 1,3,4,7. (1) To follow God, love everyone the same. (3) Stay in the Spirit in order to bear fruit. (4) To follow God's Word, do not favor one child over the other. (7) To be complete, do not favor one child over the other.