Since divorce is such a common recent experience in many families, exploring the different ideas on how it affects family members can make a good paper. Along with your question, you could do:
1. How does divorce affect a father's relationship with his children?
2. How does being a non-custodial parent affect the parent-child relationship?
3. How does divorce affect the relationships between siblings?
4. How does divorce affect the relationship between grandparents and grandchildren?
5. How does divorce affect the relationships with extended family members of the ex-spouse?