How would these authorities be ranked for an Illinois parental responsibility law case?

• A 2014 decision from the United States District Court for the Northern District of Illinois on the issue of parental responsibility under Illinois law.
• A 2008 decision from the United States 7^th Circuit Court of Appeals on the issue of parental responsibility under Illinois law.
• A 2014 decision from the Illinois Trial Court on the issue of parental responsibility under Illinois law.