Families are made up of individuals.
It's often easy to forget, and in family owned businesses it's clear that often each family member has different objectives from the other. This can be confusing for non-family staff and make working life much less productive for everyone including family members.
Working together to articulate a clear business vision that everyone can commit to can reduce these problems and make it easier for everyone to pull together.
Action step: Why not set aside some time now to work on this?